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potential if managed well. The Depapre coastal area is famous for its marine tourism. The sea water is still clean and clear, beautiful coral reef cover and the charm of seagrass beds with various types of fish that live around them are what attract tourists to visit this area. However, aquatic ecosystems, especially macroalgae, are under threat of degradation. The aim of this research is to identify types of macroalgae as initial data for monitoring and consideration in efforts to process biological resources, especially the composition and distribution of macroalgae.The method used is the roaming method (road sampling), the population of this study is various types of macroalgae found in Dormena coastal waters, while the research sample is all types of macroalgae found in the roaming area. The data obtained was processed qualitatively using a macroalgae identification key book. The results of research in the waters of Doromena village, identified 9 species of macroalgae, namely Chaetomorpha spiralis Okamura (Chorophyta), Halimeda macroloba Decaisne (Chorophyta), Phadina australis Hauck (Phaeophyta), Sargassum binderi (Phaeophyta), Sargassum cristaefolium C. Agardh 1820 (Phaeophyta), Turbinaria conoides (J. Agardh) Kützing 1860 (Phaeophyta), Chondrus crispus Stackh (Rhodophyta), Corallina officinalis Linnaeus 1758 (Rhodophyta), and Gelidium sp. J. V. Lamouroux 1813 (Rhodophyta). 

Village-Owned Enterprises (BUMDes) are business units that are jointly owned and managed by the village government and the local community. The establishment of BUMDES aims to exploit economic potential and improve the welfare of village communities. One of the BUMDes highlighted in this study is BUMDes Loh Jinawi which is located in Tunjungmuli Village, Karangmoncol District, Purbalingga Regency. In its development, Tunjungmuli Village is still faced with geographical challenges and inadequate infrastructure. BUMDes Loh Jinawi manages four main business units, namely Pertashop, Pamsimas, Markets, and innovations in the agricultural sector so that they can meet the basic needs of the community. Pertashop provides access to fuel, Pamsimas ensures clean water supply, Markets support local trade, and agricultural units increase food security and farmer incomes through sustainable practices. These initiatives have significantly improved the quality of life and economic opportunities for local residents, especially farmer groups. Through participatory management and community involvement, BUMDes Loh Jinawi has fostered a sense of belonging among residents while overcoming socio-economic challenges. The authors contributed by facilitating observations, workshops and mentoring to improve BUMDes operations. In a series of community service activities, it was found that optimizing the management of BUMDes Loh Jinawi can be done in two ways, namely assisting with management practices to increase access to basic services and empowering the surrounding community economically and socially.  This study provides a replicable model for sustainable rural development.

Car washes have become increasingly popular in some areas, but this growth has also had a negative impact on environmental quality, as untreated wash water is often discharged directly into car wash drainage systems without any prior treatment. This discharge of unfiltered wastewater can lead to high levels of COD (chemical oxygen demand) and surfactants in nearby water sources if carried out intensively. Much of the wastewater is often classified as waste. It is discharged by car wash operators into the drainage system and eventually into smaller waterways. In 2014, the Minister of the Environment highlighted the importance of managing cleaning waste due to its harmful effects on the environment and health. Based on the Pekanbaru Municipality's Regional Regulation No. 8 of 2003 on the payment of liquid waste treatment control permit, which stipulates that every industry must carry out waste treatment before discharging into the environment and each industry must also  pay a fee, this study will allow the design of absorption wells, which will be used to treat liquid waste from car washes, so that the wastewater absorbed into the ground is no longer a contaminated liquid waste. By treating the waste by the method of infiltration pits, it is hoped that the environment and the health of the residents around the laundry will be well preserved.

Increasing the capacity and sustainability of water resources are major challenges in reservoir management, especially in areas that are highly dependent on water resources for domestic, agricultural, and industrial needs. The Sier Reservoir, which plays a vital role in providing water to the surrounding area, has experienced a decline in capacity due to sedimentation, uncontrolled flow, and changes in rainfall patterns due to climate change This study aims to identify optimization efforts that can increase the capacity of the sier reservoir and ensure the sustainability of its water resource management. The methodology used in this study includes literature studies, field observations, surveys, interviews with relevant stakeholders, and quantitative data analysis. The results of the study indicate that technical measures such as sedimentation cleaning, infrastructure improvements, and the implementation of technology-based monitoring systems can increase reservoir capacity.

Pesticides are used to control pests in farming and plantations, so that agricultural and plantation production can increase. However, the use of pesticides can have a negative impact on the environment and the health of farmers. In fact, it causes poisoning and disease, both acutely and chronically. Farmers are the main work that the community is engaged in in Borisallo Village, Parangloe District, Gowa Regency and is a PKM partner and is a UMI Assisted Village. PKM activities are: (1) Counseling on negative impacts on health due to the use of pesticides, (2) Sanitary inspections and inspection of pesticide content in clean water sources such as wells, (3) Provision of PPE in the form of masks and gloves in spraying pesticides on farmers in Borisallo Village. This activity is funded by the UMI Waqf Foundation. The results of the implementation of PKM (1) Health counseling due to the use of pesticides on farmers in Borisallo Village, (2) Then continued with  sanitary inspections and examination of pesticide content in clean water sources such as wells (3) Ended with the provision of PPE in the form of masks and gloves that can be used when spraying pesticides on farmers. It is recommended to have regular health checks on farmers, regular inspections of clean water sources, and technical guidance on how to manage and spray pesticides safely and healthily.

The United Nations and the World Meteorological Organisation predict that around 5 billion people will lack clean water and even drinking water (Source: Conference on Our World in Concrete and Structure in Singapore). Based on the aforementioned phenomenon, given the abundant potential of seawater resources, there is an idea to use seawater as a concrete admixture, especially in building locations that often interact with seawater. Research is carried out in an effort to find alternatives to improve the mechanical properties of concrete such as compressive strength values, split tensile strength, namely by using additives as self-compacting concrete technology and making seawater and sea sand as a substitute for fresh water and river sand

Economic growth is a crucial pillar of regional development and serves as an indicator of how well development is going as well as a tool for future planning. Development will not proceed easily if the infrastructure is poor, and a nation or region's economic activity will not be sufficient if the infrastructure is insufficient. Throughout the years 2018 to 2024, Probolinggo Regency's economic growth rate development had erratic variations. Therefore, the purpose of this study is to ascertain how Probolinggo Regency's road network, access to clean water, and availability of power affect economic growth. This study's methodology was quantitative and deductive in nature. The information used is secondary data, specifically time series data from the Central Bureau of Statistics. Using multiple linear regression analysis and the OLS (Ordinary Least Square) data analysis method, SPSS 24 was utilized to conduct the study's data analysis. Where the value is significant > 0.05, the study's findings show that infrastructure for roads, water, and power has no bearing on economic growth.

EcoCleanzyme Wash is an innovative dishwashing liquid based on ecoenzyme, a liquid derived from the fermentation of organic waste such as fruit peels, vegetable scraps, brown sugar, and water. This product offers an environmentally friendly solution for household needs while addressing the challenges of suboptimal organic waste management. The three- month ecoenzyme fermentation process produces a liquid rich in natural enzymes with antibacterial, antifungal, and insecticidal properties, capable of breaking down harmful organic compounds. EcoCleanzyme Wash provides a safer alternative compared to conventional dishwashing liquids, which often contain harmful chemicals that can pollute water and soil. This product not only effectively cleans utensils but also supports the concept of sustainability by utilizing household organic waste. Additionally, EcoCleanzyme Wash helps reduce environmental pollution, often caused by improperly managed household waste. In Indonesia, organic waste constitutes the largest portion of household waste, which, if left unmanaged, can contaminate water, soil, and air, leading to various health issues such as diarrhea and skin infections caused by pathogenic microorganisms. The use of ecoenzyme in EcoCleanzyme Wash represents a tangible step toward promoting the concepts of reuse and sustainable waste management, aligned with government regulations on waste handling. This product also contributes to reducing negative impacts on ecosystems and raising public awareness about the importance of managing organic waste. This research aims to provide a detailed guide on the production process of ecoenzyme-based dishwashing liquid, covering the utilization of organic raw materials, fermentation steps, and product formulation. It is expected that the findings of this research can serve as a reference for the development of other environmentally friendly products and encourage innovation in household waste management. EcoCleanzyme Wash is a progressive step in creating a product that not only fulfills household needs but also positively impacts the environment.

Clean water is a fundamental necessity for public health, as water contamination can lead to various health problems, such as gastrointestinal infections, skin diseases, and other health issues. Screening for water contamination by Escherichia coli bacteria and Corynebacterium spp. is essential to ensure water quality remains safe. This community service activity was conducted in the Duri Kosambi area, focusing on education and water quality testing. The program included planning educational sessions on the risks of water contamination, implementing screenings using colony-forming unit (CFU) parameters to detect Escherichia coli and Corynebacterium spp., and evaluating results to provide preventive recommendations. The findings revealed variations in contamination levels across locations, with some meeting cleanliness standards, while others, such as B04, showed extreme contamination. This activity highlights the importance of community education, regular water quality monitoring, and water treatment to prevent health risks. Collaboration among communities, governments, and health organizations is crucial to maintaining sustainable access to high-quality clean water.

This study aims to analyze the influence of socialization of the physical environment on public health in Penggilingan Baru Village RT. 003/RW. 008, Harapan Baru, with an emphasis on preventing and treating infectious diseases caused by floods. The method used in this research is macro social intervention, which involves direct outreach to residents to increase awareness about environmental cleanliness. The findings from this research indicate that the physical environmental conditions in this area still require special attention, especially in the management of irregular air drainage channels. Stagnant water that occurs regularly after heavy rain increases the risk of flooding and the emergence of infectious diseases such as diarrhea and dengue fever. Outreach to the community to carry out environmental cleanliness with monthly community service activities and waste sorting, to be implemented in stages. The conclusion of this research is that socialization of the physical environment through a macro social intervention approach can contribute to reducing the risk of infectious diseases by increasing public awareness of the importance of maintaining environmental cleanliness. The recommendations provided include improving the drainage system, more coordinated waste management, and ongoing education to create a healthier environment.

The problem PAM JAYA is the distribution of clean water. This research was conducted to find out how PAM JAYA implements its policies stated in the Special Capital Region of Jakarta Regional Regulation Number 4 of 2021 concerning Changes in the Legal Form of Regional Drinking Water Companies. The research method used is qualitative method. The focus of this research based on the Policy Implementation model proposed by Van Metern Van Horn. The results of research on Standard and Policy Target indicators show that the implementation of PAM Jaya management has been implemented, but the implementation is not optimal. In the Resource indicator, the availability of Human Resources and Financial Resources is adequate. Indicators of the Characteristics of the Implementing Organization, the division of authority and evaluation are quite optimal. In the Implementer's Attitude indicator, the implementers have understood and accepted the policy, but their attitude is still not optimal in responding to complaints. The Inter-Organizational Communication Indicator is considered to be quite optimal because PAM Jaya has optimized communication with relevant stakeholders and the community. Social, Economic and Environmental Condition Indicators are supportive, the rates set by PAM JAYA have been adjusted to the economic level of the community.

Background: Every child has the right to receive education in a healthy environment in accordance with the 1945 Constitution Article 31 paragraph 1. The health of the school environment, especially the existence of a healthy canteen, is an important component in supporting student growth and development. This study aims to analyze the implementation of healthy canteens in elementary schools in the working area of the Paal V Health Center in Jambi City. Methods: This study is a qualitative study with an analytical descriptive approach. Research data was collected through in-depth interviews, FGDs, observations, and documentation, with informants consisting of school principals, health center staff, teachers, canteen sellers, and students. Results: At SDN 64/IV Jambi City, there is a written policy regarding school healthy canteens. The average canteen handler has used an apron as personal protective equipment (PPE) and maintained hand and clothing hygiene. School canteen facilities are equipped with adequate lighting and the availability of clean water. However, it is still found that plastic containers are used for food containers. The informants agreed that the existence of healthy canteens in schools is very important and suggested that canteens only sell food that is filling and free from harmful chemicals. Conclusion: Schools with higher accreditation have better canteen management than schools with lower accreditation, especially in policies, facilities, and supervision.

Eco enzyme is a fermentation liquid from organic waste, namely fruit or vegetable peels, which are stamped with brown sugar or molasses and water. The ratio between brown sugar or molasses, organic matter (BO), and water is 1:3:10.  There are many benefits of eco enzymes, from the results of research and testimonials of eco enzyme users in the field.  The benefits of eco enzymes include soil fertilization, water purification, for disinfectants, hand soap, and detergents, to nourish hair, floor cleaners, healers for injuries, and so on. The implementation of this community service activity was carried out 2 times, namely: 1) Tuesday, July 19, 2022, with socialization material and the practice of making eco enzymes. 2) Thursday, November 10, 2022, with socialization material and practice of making Eco Enzyme Detergent.    The results of the development of one of the benefits of eco enzymes are Eco Enzyme Detergents, which are followed up with research related to the quality test results of EE Detergent washing results, SEE Detergents, and Chemical Detergents.  Development of community service activities related to eco enzymes to advanced eco enzyme products will continue to be developed and researched, to provide optimal benefits to the community.

Because the human body can also be a source of pollution if it is not kept clean, personal hygiene can have an impact on food contamination for a number of reasons, including the cleanliness of dining utensils. Food equipment that does not adhere to health regulations is another source of contamination, in addition to food and water sources. Regulation No. 1096/Menkes/SK/VI/2011, issued by the Minister of Health of the Republic of Indonesia, outlines the hygienic and sanitary standards for food services in that country.The research problem, which is the personal hygiene of fast food meals in Latta Village, Teluk Ambon Baguala District, can be stated based on the preceding description.Goal. To quickly learn about personal hygieneThrough observation and interviews, this kind of study is descriptive. Twenty-two fast food vendors made up the study's population. Five (five) fast food vendors in Latta Village made up the sample. According to the findings of the study, five checks on traders I, II, III, IV, and V with the criteria do not satisfy the requirements in line with Minister of Health Regulation No. 1096/Menkes/Per/VI/2011, specifically 0 CFU. According to the findings, five food handlers in Latta Village, Teluk Ambon Baguala District, did not adhere to the standards for personal cleanliness.   Five food handlers in Latta Village, Teluk Ambon Baguala District, had personal hygiene that did not meet the standards, while five of these samples did.

To improve public health, the problem of providing clean water must be a top priority. Since water is essential for all living things, water is also very important. It requires the availability of healthy water, which includes monitoring and regulating water quality to meet human needs and life. The goal is to ensure that everyone has access to healthy drinking and clean water. Target. The aim of this research is to find out whether there are coliforms and fecal coliforms in the drilled well located on Rt 28/Rw 007, Baguala District, Ambon City. Methodology. This research is classified as descriptive research. The 6 water samples used were taken at Rt 28/Rw 007 Baguala District, Ambon City. The total population in this research is six drilled wells. All drilled well water was taken at 1 Rt/Rw and used as the resulting sample. The research results showed that fecal coliform and coli bacteria were found in drilled well water at Rt 28/Rw 007 Waiheru Perumnas Village, Baguala District, Ambon City; three drilled well water was positive for coliform bacteria, and one drilled well water was negative. Five positive borehole water also had negative coliform bacteria. Decision: According to the Republic of Indonesia Minister of Health Regulation number 32 of 2017 concerning environmental health quality standards and water health requirements for sanitation hygiene purposes, swimming pools, aqua solutions and public baths, the number of coliform bacteria is 1 and the number of coliforms is 3.

This study aims to examine the development of clean water infrastructure in Dumai City to fulfill the community's clean water requirements. The clean water infrastructure possessed by the City of Dumai has failed to satisfy the comprehensive needs of the population. Consequently, the government addresses this issue by developing air infrastructure and implementing additional measures to resolve it. This scientific endeavor employs a descriptive qualitative method and the researcher’s observation. The study's findings reveal that PDAM Tirta Dumai Bersemai in Dumai City has failed to satisfy the water requirements of its residents. Consequently, development is requisite via multiple initiatives, including the establishment of a Drinking Water Supply System (SPAM) through Public Private Partnership (PPP), the National Urban Water Supply Project (NUSWP), and Regional SPAM Development via DUROLIS Regional SPAM (Dumai - Rokan Hilir – Bengkalis).

Dengue fever is still one of the main health problems that threaten people in Indonesia, including Jambi City. Tahtul Yaman neighbourhood, Jambi Province is one of the residential areas that has dengue fever data. In general, most residents use water tanks, the environment looks less clean, and there are still puddles and water reservoirs in the homes of some residents. This activity aims to provide knowledge and understanding to the community about dengue fever and its mitigation strategies, with an emphasis on prevention through vector control, especially the Aedes aegypti mosquito. This counselling will be focused on the Tahtul Yaman Village community. The method used was lecture method and interactive discussion using powerpoint, posters and leaflets on DHF and 3M Plus. After the education, there was an increase in knowledge reaching 89.25%. It is suggested that prevention efforts should focus on controlling the larval population and minimising mosquito breeding sites. Mosquito eradication programmes such as 3M Plus need to be carried out routinely and involve the active participation of the entire community. Effective dengue prevention will create a healthier and safer environment for the community.

Dengue fever is still one of the main health problems that threaten people in Indonesia, including Jambi City. Tahtul Yaman neighbourhood, Jambi Province is one of the residential areas that has dengue fever data. In general, most residents use water tanks, the environment looks less clean, and there are still puddles and water reservoirs in the homes of some residents. This activity aims to provide knowledge and understanding to the community about dengue fever and its mitigation strategies, with an emphasis on prevention through vector control, especially the Aedes aegypti mosquito. This counselling will be focused on the Tahtul Yaman Village community. The method used was lecture method and interactive discussion using powerpoint, posters and leaflets on DHF and 3M Plus. After the education, there was an increase in knowledge reaching 89.25%. It is suggested that prevention efforts should focus on controlling the larval population and minimising mosquito breeding sites. Mosquito eradication programmes such as 3M Plus need to be carried out routinely and involve the active participation of the entire community. Effective dengue prevention will create a healthier and safer environment for the community.

This study aims to examine the strategies implemented by the Regional Drinking Water Company (PDAM) in providing adequate clean water and sanitation services in Labuan Bajo Village, Komodo District, West Manggarai Regency. The results indicate that PDAM possesses several strengths, weaknesses, opportunities, and threats in carrying out its functions. The main strengths of PDAM include an extensive distribution network, strong regulatory support, adequate technical capacity, stable availability of raw water, and responsive services. However, its weaknesses include aging infrastructure, limitations in human resource management, financial constraints, the long distance of raw water sources from the distribution center, and frequent service disruptions. The opportunities that PDAM can leverage include regulatory support from the government, increased public awareness of the importance of clean water, the implementation of innovative projects, partnerships with the private sector, and the adoption of modern technology. On the other hand, threats faced by PDAM include the impact of climate change on raw water availability, limited water resources, suboptimal human resource management, and issues with cash flow and long-term funding.By understanding these factors, PDAM can formulate more effective strategies to enhance its performance and provide better clean water and sanitation services. Several recommendations are proposed, including infrastructure revitalization, improved staff training and development, diversification of funding sources, adoption of innovative technologies, and strengthening collaboration with external partners. Implementing these recommendations is expected to support the sustainability of PDAM Labuan Bajo's services in meeting the community's needs for clean water and sanitation in the region.

Access to adequate sanitation services and safe drinking water is a fundamental need that influences public health and sustainable development. This study analyzes the percentage of households in Gorontalo Utara Regency with access to adequate sanitation and safe drinking water from 2021 to 2023, linking it to WHO health standards. The results show an increase in access to adequate sanitation from 79.03% in 2021 to 81.80% in 2022, although there was a slight decline to 81.37% in 2023. Meanwhile, access to safe drinking water showed a more positive trend, rising from 86.23% in 2021 to 90.14% in 2023. This improvement reflects the success of government programs in enhancing basic infrastructure and raising community awareness. However, challenges remain in reaching approximately 10% of households still lacking access, particularly in remote areas. According to WHO, access to adequate sanitation and safe drinking water significantly reduces the risk of waterborne diseases such as diarrhea, cholera, and typhoid. This study highlights the importance of sustainable approaches to improving service coverage, such as developing inclusive infrastructure, educating communities on the importance of clean and healthy living behaviors, and strengthening the role of local institutions. In conclusion, although Gorontalo Utara has made significant progress, sustained efforts are needed to achieve universal access to sanitation and safe drinking water, as mandated by the SDGs.