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The issue of solid waste is becoming increasingly complex in line with population growth and the expansion of residential areas, while the capacity of final disposal sites remains very limited. The absence of waste segregation at the source leads to accumulation, contributing to environmental pollution, the spread of diseases, and flooding due to clogged drainage channels. This study aimed to analyze changes in students’ knowledge, attitudes, and practices before and after a waste-sorting educational intervention at SD Negeri 119 Palembang in 2025. A pre-experimental design with a one-group pretest–posttest approach was employed, involving 104 fifth-grade students selected through total sampling. The intervention consisted of waste-sorting education using audio-visual media, accompanied by pretest and posttest assessments. The findings revealed significant improvements in students’ knowledge (67.40 to 91.15), attitudes (23.28 to 32.56), and practices (12.72 to 22.90). The Wilcoxon test confirmed statistically significant differences between pre- and post-intervention scores (p < 0.05). These results highlight that audio-visual media–based education is effective in enhancing students’ knowledge, attitudes, and practices regarding waste sorting. Continuous implementation of similar programs in schools is strongly recommended to foster environmentally responsible behavior from an early age.

This study examines the dynamics of urban politics in the policy of the Palembang City Government regarding the management of disorganized electrical cables. The problem of irregularly hanging cables, mixed with telecommunication lines, and often dangling too low poses safety risks, reduces the city’s aesthetics, and reflects weak governance of urban infrastructure. This research employs a qualitative approach using a case study method. Data were collected through field observations, in-depth interviews with relevant stakeholders, and documentation. The research informants consisted of representatives from the Palembang City Government, PLN (the state electricity company), telecommunication providers, and affected communities. The findings indicate that cable management policy is a concrete effort by the government to create an orderly, safe, and modern urban spatial arrangement. The Palembang City Government seeks to reorganize the overhead cable networks while simultaneously planning the development of underground utility ducts as a long-term solution. However, the implementation of this policy faces several challenges, particularly conflicting interests among stakeholders: PLN emphasizes operational efficiency, telecommunication providers resist additional financial burdens, while the public demands quick action but shows limited participation. This study concludes that the issue of cable management is not merely technical but also represents an arena of urban political contestation among the state, the private sector, and society. Effective solutions require cross-sectoral coordination, strong regulatory frameworks, collaborative financing, and active community involvement. Through a comprehensive approach, cable management in Palembang City has the potential to enhance public safety, improve urban aesthetics, and strengthen government legitimacy in sustainable urban governance.

Lawang Kidul Mosque is one of the historical buildings that holds significant architectural, social, and religious value in the city of Palembang. Founded during the Dutch colonial era by Ki Marogan, this mosque not only served as a center for religious activities but also stood as a silent witness to the historical journey of Palembang from the colonial period to independence. This article aims to trace the history of Lawang Kidul Mosque, its architectural form, and analyze its strategic role in community life. The methods used include literature review and qualitative methods through direct observation and interviews to collect the necessary data for this study. The results show that Lawang Kidul Mosque was established in 1881, built by Ki Marogan. It is the second mosque founded by him, with the first being Kiyai Marogan Mosque, which was constructed earlier in 1871. The architectural style of Lawang Kidul Mosque resembles that of the Great Mosque of Palembang, although it is smaller in size. Lawang Kidul Mosque is supported by four large wooden soko guru pillars and twelve smaller columns. The pulpit of Lawang Kidul Mosque features distinctive Palembang carvings dominated by floral motifs. Additionally, there are four green flags inscribed with Islamic phrases such as the Asmaul Husna and the Shahada. The pulpit also displays the year of its construction, which is 1310 Hijri

Background : Appendectomy is a surgical procedure to remove the appendix which is done as soon as possible to reduce the risk of perforation. Nursing problems that arise after appendectomy is acute pain. Objectives: Gaining real experience and knowledge and being able to document the application of deep breathing relaxation techniques is an appropriate non-pharmacological action in reducing pain scale. Method: this type of scientific paper uses a descriptive method with a descriptive case study approach with a case study approach to explore the problem of nursing care carried out on two patients carried out on June 15 - 20 2021. Results: from the results of nursing care to Mrs "S" and Mr "M" with a nursing diagnosis in the first patient, namely acute pain related to physical injury agents (eg abscess, amputation, burns, cuts, heavy lifting, surgical procedures, trauma, excessive physical exercise), impaired sense of comfort related to symptoms of the disease ( pain), impaired physical mobility related to decreased muscle strength (pain), and the second patient's diagnosis was acute pain related to physical injuring agents (eg abscess, amputation, burns, cuts, heavy lifting, surgical procedures, trauma, excessive physical exercise), discomfort related to symptoms of disease (pain), anxiety related to situational crises, lack of exposure to information, impaired physical mobility associated with decreased muscle strength (pain). The interventions in both patients were: identification of location, characteristics, duration, frequency, quality and intensity of pain, identification of pain scale, identification of non-verbal pain responses. The evaluation of the first patient had a pain intensity scale of 6 (moderate), and the second patient a pain scale of 7 (severe). The results of the study in the Surgery Room of the Palembang Bari Regional General Hospital after the deep breathing relaxation technique was carried out in the first patient on a pain scale of 6 (moderate) to 3 (mild), and the second patient pain scale of 7 (severe) to 4 (moderate). Conclusion: Progress notes to both patients on the application of deep breathing relaxation techniques to reduce pain intensity. The results of the nursing evaluation of the problem were partially resolved.

Dengue Hemorrhagic Fever (DHF) is an infectious disease caused by the dengue virus and transmitted through the bite of the Aedes aegypti mosquito. The high risk of dengue transmission is greatly influenced by the density of mosquito larvae which correlates with environmental conditions and community behavior. This study aims to describe the density level of Aedes aegypti mosquito larvae in the working area of the Gandus Health Center in Palembang City in 2025 through the measurement of House Index (HI), Container Index (CI), Breteau Index (BI), Larvae-Free Numbers (ABJ), and Density Figure (DF). The method used was descriptive observational with a purposive proportional random sampling technique on 100 households in three RTs. Data was collected through direct observation using checklist sheets. The results showed that the HI was 66%, CI was 44%, BI was 107%, and ABJ was only 34%, which indicates that the larval density is very high and far below the WHO standard (≥ 95%). The DF value is in the range of 7–9, reinforcing the finding of high vector density. This condition shows that the area is at high risk of dengue transmission. Interventions are needed in the form of regular mosquito nest eradication (PSN), increasing public education, and strengthening the role of jumantic cadres in sustainable vector control.

Clean water is a basic human need to achieve a healthy standard of living. Human survival is greatly influenced by the quality of water and the availability of water in sufficient quantities. In Keramasan Village, there are still many people who have bad habits in providing clean water. People use the river as a place to bathe, wash clothes, wash dishes and throw away garbage.The level of knowledge, attitudes and actions of the community regarding the provision of clean water in Keramasan Village, Kertapati District, Palembang City.This type of research is descriptive research with a cross-sectional design. The population in this study were 159 families living in RT 11 and RT 12 in Keramasan Village. The total sample of respondents in this study was 67 families. Sampling was carried out using a random sampling technique, which aims to ensure that the sample can represent all families.From the results of the study on the provision of clean water, the level of knowledge of 46.3% of respondents had a low level of knowledge, in contrast to the attitude of 67.1% of respondents showing a good attitude. and 59.7% of respondents have poor actions regarding the provision of clean water.From the results obtained, it can be concluded that the community in Keramasan sub-district regarding the provision of clean water, at the level of knowledge, most respondents still have a low level of knowledge, most respondents already have attitudes in the good category, and most people have actions in the bad category.

Chronic kidney disease (CKD) that is left untreated can lead to serious complications, one of which is hypertension in hemodialysis patients. Intradialytic hypertension can impair quality of life and increase mortality risk. Benson relaxation therapy, which combines breathing techniques with the repetition of positive words, has the potential to lower blood pressure. The purpose of this research is to measured blood pressure during and subsequent to Benson relaxation therapy in hemodialysis patients. This quantitative research employed a pre-experimental methodological approach with a case study approach. The subjects consisted of 3 respondents selected from a population of 24 hemodialysis patients at a hospital. Blood pressure data were collected using a digital sphygmomanometer and analyzed descriptively. After three sessions of Benson relaxation therapy lasting approximately 10 minutes each, systolic blood pressure decreased with the maximum reduction of 18 mmHg and the lowest reduction of 2 mmHg, while diastolic blood pressure decreased with the maximum reduction of 20 mmHg and the lowest reduction of 1 mmHg. Benson relaxation therapy can reduce blood pressure in patients undergoing hemodialysis. Benson relaxation therapy may be considered as a non-pharmacological intervention to help lower blood pressure in hemodialysis patients. After three sessions of Benson relaxation therapy lasting approximately 10 minutes each, systolic blood pressure decreased with the maximum reduction of 18 mmHg and the lowest reduction of 2 mmHg, while diastolic blood pressure decreased with the maximum reduction of 20 mmHg and the lowest reduction of 1 mmHg. These results indicate that Benson relaxation therapy can significantly reduce blood pressure in hemodialysis patients. The therapy’s effectiveness in reducing blood pressure may be attributed to the deep breathing exercises and the relaxation response it induces, which helps to reduce the overall stress on the cardiovascular system.

The hospital operating room is one of the most crucial facilities in health services, so it requires a stable, reliable, and uninterrupted electricity supply to ensure patient safety and smooth medical procedures. The slightest electrical outage can pose a major risk, given that almost all vital medical equipment in the operating room relies on an electrical power supply. Therefore, the Uninterruptible Power Supply (UPS) system has an important role as a backup solution to ensure the continuity of electrical energy. This study aims to analyze the performance, capacity, and burden of UPS at Siti Fatimah Palembang Hospital using quantitative methods. Data was obtained through direct observation, interviews with technicians, technical documentation, and measurement of current and load power with standard-compliant measuring equipment. The focus of the analysis was directed at the Online Double Conversion type UPS with a capacity of 20 kVA which functions as the main supplier of backup electricity in the three operating rooms. The measurement results show that the total load reaches 8,855.5 VA or equivalent to 44.2% of the total capacity of the UPS. This load comes from 24 units of vital medical equipment, including operating lights, patient monitors, ventilators, anesthesia machines, and electrosurgical devices spread evenly across three operating rooms. With a power factor of 0.92 and a measurement current of 39.8 A, the performance of the UPS is quite efficient and safe to use. This shows that UPS capacity still has spare space to bear additional loads in the event of an increase in the number of medical equipment in the future. The conclusion of this study is that UPS at Siti Fatimah Palembang Hospital is able to work optimally in maintaining the stability of power supply, so that it can ensure the continuity of critical medical services in the operating room.

This research aims to formulate a business development strategy for AK Laundry, a micro, small, and medium enterprise (MSME) located in Palembang that operates in the laundry service industry. As competition in this sector continues to intensify, MSMEs are required to adapt quickly through effective strategic planning. The study employed a descriptive qualitative approach, with data collected through interviews, direct observations, documentation, and questionnaires, ensuring a holistic understanding of both internal and external conditions. The analysis was carried out using the SWOT framework, which identifies internal strengths and weaknesses, as well as external opportunities and threats. The findings reveal that AK Laundry possesses several strengths, including good relationships with its loyal customer base, competitive pricing that appeals to a wide range of market segments, and a strategic location that facilitates accessibility. However, weaknesses were also identified, such as limited promotional efforts, particularly in digital channels, and occasional delays in completing customer orders, which may affect satisfaction and trust. From an external perspective, AK Laundry has opportunities to expand its services, particularly through the growing demand for pickup and delivery facilities, as well as changes in consumer lifestyles that increasingly prioritize practicality and efficiency. Nevertheless, the enterprise must also address potential threats, such as intense competition in pricing strategies among similar businesses and the risk of item loss, which could undermine its reputation. Based on the SWOT matrix, AK Laundry is positioned in Quadrant I, indicating that it holds considerable potential for aggressive growth. Therefore, the recommended strategies include strengthening digital marketing initiatives, introducing innovative services to differentiate from competitors, enhancing employee competencies through training programs, and upgrading equipment to improve service quality and speed. These strategies are expected to help AK Laundry leverage its strengths and opportunities effectively, ensuring sustainable development and competitiveness in the MSME laundry service sector.

The purpose of this study is to determine the extent to which the relationship between quality and promotion influences customer decisions in selecting Micro People's Business Credit (KUR) products at PT Bank Sumsel Babel KC Palembang. This study applies a quantitative approach, where the entire population consists of 765 customers, with 88 people being sampled through a purposive sampling technique. The data sources used in this study include primary and secondary data, obtained through direct interviews with related parties and the distribution of questionnaires to respondents who have met the research criteria. To analyze the data, a series of instrument feasibility tests, classical assumption tests, and data processing using multiple linear regression analysis were conducted. This analysis includes a t-test (partial), F-test (simultaneous), and the coefficient of determination (R²) to measure the strength of the influence of the independent variables on the dependent variable. Based on the results of the analysis, it was found that both service quality and promotion have a positive and significant influence on consumer decisions, both partially and simultaneously. This indicates that the better the service quality and the more effective the promotion, the higher the tendency of consumers to decide to choose KUR Micro products. The coefficient of determination (R²) of 0.894 indicates that 89.4% of customer decisions can be explained by service quality and promotions, while the remaining 10.6% is influenced by other factors not examined in this study, such as economic conditions, personal experience, recommendations from third parties, and psychological factors. These results provide an important influence for bank management in developing more targeted service and promotion strategies. The results of this study can also serve as a basis for strategic policy-making in developing banking products based on customer needs.

The purpose of this study is to examine the extent to which the relationship between leadership style and teamwork influences the work results of employees of Bank Sumsel Babel, Kapten A. Rivai Branch, Palembang. This study uses a quantitative approach with a population and sample of 59 people determined through a saturated sampling method, so that the entire population becomes research respondents. Research data were obtained from two sources, namely primary data through the distribution of questionnaires to employees, and secondary data that supports the results of data processing. Data analysis was carried out comprehensively by including testing classical assumptions to ensure model validity, testing the feasibility of research instruments, calculating the coefficient of determination, and applying multiple regression analysis tested through the F test and t test. The results of the study indicate that leadership style and teamwork have a positive and significant influence on employee performance, both partially and simultaneously. This finding shows that effective leadership and solid teamwork can increase employee productivity and work quality. The large contribution of both independent variables to employee performance is indicated by the coefficient of determination value of 66.2%, which means that more than half of the variation in employee performance can be explained by leadership style and teamwork. Meanwhile, the remaining 33.8% is influenced by factors outside this study, such as the work environment, individual motivation, and organizational reward systems. This study emphasizes the importance of appropriate leadership and synergy among team members in building optimal employee performance. The practical implication of these findings is the need for management to continuously improve leadership quality and encourage better teamwork in the banking workplace.

This study aims to analyze customer satisfaction with the Byond by BSI service at PT Bank Syariah Indonesia Tbk KCP Palembang KM 6, focusing on the influence of service quality and security. The research population consisted of 2,800 customers, with a sample of 97 respondents selected through purposive sampling. A quantitative approach was employed, using a structured questionnaire as the primary data collection instrument. The collected data were analyzed using multiple linear regression, accompanied by instrument testing, classical assumption testing, as well as t-test, F-test, and the coefficient of determination (R²). The findings reveal that both service quality and security have a significant impact on customer satisfaction, both partially and simultaneously. The results indicate that customer satisfaction is not only determined by responsive, accurate, and accessible service quality but is also strongly influenced by the reliability of the security system provided. The regression coefficient shows that security has the most dominant effect, with a value of 0.427, which is higher than the influence of service quality. This highlights that the sense of safety in conducting digital transactions is the primary concern for customers when using Byond by BSI services. The implications of this study emphasize the importance for banks to continuously improve the quality of digital services, particularly in terms of responsiveness, speed of access, and ease of use of the application. In addition, strengthening digital security mechanisms, including customer data protection, transaction encryption, and early detection of potential cyber threats, is crucial in building and maintaining customer trust. The study further underlines the need for continuous improvement in both service quality and security systems as a key strategy to address the challenges of digital banking transformation in an increasingly competitive environment. Therefore, this research contributes to the development of Islamic banking management strategies that focus on customer satisfaction and loyalty in the digital era.

This study aims to analyze the process of preparing operational budgets in micro, small, and medium enterprises (MSMEs) of Pempek Love Palembang, which are engaged in the culinary sector typical of South Sumatra. Pempek Love Palembang is one of the business actors that plays a role in maintaining culinary traditions while contributing to the local economy. The research approach used is quantitative descriptive, with data collection techniques through direct interviews with business owners. Interviews are focused on operational activities that cover all stages of production to sales. The scope of analysis includes the preparation of various budget components, including sales budgets, production and inventory costs, raw material budgets, direct labor budgets, overhead costs, operational costs, cost of goods sold (COGS), and profit and loss budgets. Based on the findings, it is known that Pempek Love Palembang has not prepared a budget systematically and well documented. This is due to the limited knowledge of owners and employees about the concept of budget planning, so that the financial management process runs less than optimally. The absence of a structured budget makes it difficult to evaluate performance in a measurable manner and limits the ability of businesses to project profits accurately. This study confirms that the implementation of a good operational budget is not only beneficial for setting clear targets, but also serves as a cost control tool and a basis for strategic decision-making. With proper budget planning, MSMEs such as Pempek Love Palembang can increase efficiency, maintain financial stability, and expand business development opportunities in the future. The recommendation of this study is simple financial management training for MSME actors to be able to prepare budgets independently, accurately, and sustainably for more sustainable and stable business growth.

Scabies is a contagious skin disease caused by Sarcoptes scabiei infestation, and generally affects children and adolescents, especially those living in crowded and unhygienic environments such as orphanages. This disease is highly contagious through direct contact and the sharing of personal items, such as towels, clothing, and bedding. Therefore, ongoing promotional and preventive efforts are crucial to prevent the spread of scabies in vulnerable communities. This community service activity was carried out at the Harapan Kita Orphanage within the Ariodillah Community Health Center (Puskesmas) working area. The main objective of the activity was to increase children's knowledge, awareness, and skills in preventing scabies transmission. The activity methods used included two-way discussion-based health education, providing real-life examples of personal hygiene, and distributing educational leaflets that are easy for children to understand. The education was conducted interactively by involving participants in questions and answers, handwashing simulations, and education on the importance of washing clothes and maintaining clean bedding. Post-activity observations showed that all participants did not experience active scabies symptoms, and there was an increase in participants' understanding of clean and healthy lifestyles. The children showed high enthusiasm and were able to reflect on the information presented. Overall, this activity proved effective in raising awareness of the importance of personal and environmental hygiene. This counseling model is highly relevant for regular implementation in orphanages or other institutions at high risk of spreading infectious skin diseases, as part of an education-based public health strategy. With the active involvement of the orphanage caregivers, it is hoped that this program can be sustainable and become part of the routine health education for children.

The central building of the cyber world in the city center plays a significant role in enhancing community activities, providing social space, and contributing to the city's image. As the first shopping center in Palembang City, International Plaza has historical and strategic value in the city's development. However, over time, the attractiveness of International Plaza has decreased significantly. This decline is caused by several factors, such as the development of new, more modern shopping centers and the lack of updates to the building's design elements that can attract visitors. This study aims to analyze the potential for redesigning International Plaza with a local cultural approach. In this redesign concept, the Sarinah Building in Jakarta is used as a comparative study because it has successfully combined modern concepts with the development of traditional elements that reflect local culture. The Sarinah Building, although designed with a modern approach, still maintains cultural values relevant to the surrounding community, thus creating a space that is not only functional but also has visual and emotional appeal for its visitors. The results of the study indicate that with a modern architectural approach that remains based on local culture, International Plaza has the potential to revitalize and attract visitors. The suggested redesign includes changes to the building's facade by adding ornaments typical of Palembang City, such as traditional carvings or motifs that reflect the richness of local culture. These ornaments can be applied using secondary skin techniques to building facades, which not only enhance aesthetics but also serve as sunscreens. Furthermore, zoning and tenant order are crucial for a more organized and comfortable visitor flow. Finally, enhancing the public space at the front of the building with additional public facilities, gardens, and gathering areas can create a more vibrant and enjoyable atmosphere for visitors.

Additionally, companies need to understand the characteristics and values that millennial employees uphold, such as flexibility, empowerment, and opportunities to grow. This generation tends to look for jobs that give them room to innovate, as well as the opportunity to achieve a balance between personal and work life. Therefore, policies that support flexible working hours, remote working, and opportunities for skill development relevant to industry developments will be a significant added value for millennial employees. In addition, open and two-way communication between management and employees is also very important. Millennials are more likely to choose a workplace that is transparent and communicative, where they feel valued and have a voice in decision-making. By maintaining good relationships and ensuring that employees feel heard, companies can create a more positive work environment and strengthen employee commitment to the company. The positive influence of job satisfaction and work discipline on employee commitment, especially the millennial generation, can also be seen as a contributing factor to the decline in employee turnover rates. Employees who feel satisfied and have good work discipline tend to be more loyal and have the desire to stay longer in the company. This will certainly reduce recruitment and training costs for companies, while increasing organizational stability in the long run. This research is expected to be a reference for companies in formulating HR strategies that are more adaptive to the needs of millennial employees, which in turn can increase productivity and create a more innovative and sustainable work environment.

This study aims to design and develop a website-based library information system using the Agile method at SMK Azzahro Palembang. The Agile approach was chosen because it allows for an iterative, flexible, and collaborative software development process between the development team and end users. This process prioritizes speed in completing each development stage and allows for continuous improvement based on user feedback. The developed information system includes several key features, such as book data management, library member data, loan and return transactions, and online book catalog searches. Through this system, library management activities become more structured, efficient, and well-documented. In addition, users—both students and teachers—can easily access book availability information without having to come directly to the library, thus improving time efficiency. The trial results show that this system significantly improves the work efficiency of library staff and user convenience in accessing information. This study also notes the important contribution of the Kampus Mengajar program, which supports the transfer of information technology knowledge to schools and encourages increased digital literacy among students and education personnel. With this information system, it is hoped that library management at SMK Azzahro will be more modern, transparent, and support the school's literacy culture in a sustainable manner. In addition to the practical benefits, the development of this library information system will also have a positive impact on improving digital competency for all elements of the school. Teachers and administrative staff who were previously unfamiliar with intensive digital system use will receive training and mentoring throughout the implementation process. This will result in improved information technology skills that can be applied not only to library management.

Measuring Liquefied Petroleum Gas (LPG) levels and inventory in storage tanks is a critical aspect of terminal operations, directly influencing safety, operational efficiency, and accurate stock management. The Integrated Terminal Palembang – Pulau Layang LPG Site has implemented a servo-type Automatic Tank Gauging (ATG) system, namely the Proservo NMS81, to provide precise and real-time volume measurements. Despite its operational importance, there remains a limited in-depth understanding of how this ATG system functions, particularly regarding the complete process from sensing LPG levels to converting them into accurate inventory data. This study aims to analyze the working mechanism of the Proservo NMS81 in measuring LPG height and generating digital stock data for monitoring purposes. The research method combines a literature review of the Proservo NMS81 technical datasheet and related scientific references with direct field observation (KSM-LP) at the LPG Pulau Layang site. The analysis covers the operating principle of the servo sensor, which relies on displacement measurement via a mechanical float and wire system; the analog-to-digital conversion process utilizing a 12-bit ADC to transform continuous signals into discrete digital values; the communication protocols employed, including HART and Modbus RS-485, for transmitting processed data to the control system; and the algorithmic data processing that converts tank level measurements into standardized inventory figures based on tank calibration tables and product density. The results of this study are expected to improve technical knowledge regarding servo-type ATG systems, enhance the accuracy and reliability of inventory monitoring, and contribute to more informed operational decision-making. Furthermore, the research findings are intended to serve as a valuable academic reference for the application of advanced instrumentation technology in the energy industry, supporting both professional practice and further scholarly exploration in the field.

Drinking water is a basic human need that must meet health requirements to be suitable for direct consumption without causing health risks. Drinkable water must be free from various contaminants, both physical, chemical, and microbiological that can harm the human body. One of the sources of drinking water that is widely used by the community is refillable drinking water (DAMIU), which is now growing due to its affordable price and ease of access. However, the water quality from DAMIU is often a concern due to potential contamination due to sanitation that does not meet standards. This study aims to analyze the sanitary conditions of the refillable drinking water depot (DAMIU) and assess the quality of drinking water based on physical, chemical, and microbiological parameters in the working area of the Punti Kayu Health Center, Palembang. A total of 15 DAMIU are the object of research that are examined through laboratory tests and direct observation of the sanitary conditions and equipment of the depot. The results showed that all DAMIU (100%) had met the general sanitation requirements, such as room cleanliness, equipment, and workers. However, microbiological testing found that 33.4% of the water samples contained E. coli and Coliform bacteria, indicating the presence of contamination. In addition, all samples (100%) did not meet the ideal drinking water pH requirements, and as many as 40% of the samples had aluminum content that exceeded the threshold set by the Indonesian Minister of Health. From these findings, it can be concluded that although the sanitary conditions of DAMIU are relatively good, the quality of the drinking water produced still requires serious attention.

Hand Washing with Soap (CTPS) is a hygienic behavior that plays an important role in preventing the spread of infectious diseases, especially in children. However, in reality, this behavior is still not optimally implemented by elementary school students. One approach that can be used to increase awareness and hygienic behavior is through health promotion media that is interesting and appropriate for the child's age, such as comic media. This study aims to determine the influence of comics as a health promotion medium on improving knowledge, attitudes, and actions of CTPS in students at SD Negeri 149 Palembang. This study applied a pre-experimental design with a one group pretest-posttest design approach involving 90 students of class V. Data were collected through questionnaires to measure knowledge and attitudes and observation sheets to assess actions. Data analysis was carried out using the Paired Sample T-Test to determine the differences before and after the intervention. The results showed a significant increase in the three variables, namely the average knowledge score increased from 3.38 to 5.34, attitude from 20.37 to 30.80, and action from 37.22 to 67.21 after being given comic media. Statistical tests showed a p-value of < 0.001 on all variables, which means there was a significant effect after the intervention. Based on these results, it can be concluded that the use of comic media as a health promotion tool has proven to be effective in increasing knowledge, forming positive attitudes, and encouraging better CTPS actions in elementary school students. This study recommends the use of educational and fun visual media as part of health promotion strategies in the school environment.