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Apply Filter. Date published: October 30, Filter Total Items: 6. Cuffney, Thomas F. View Citation. Cuffney, T. Geological Survey Open-File Report —, 31 p.

Water Science and Technology Library

Year Published: Leveraging big data towards functionally-based, catchment scale restoration prioritization The persistence of freshwater degradation has necessitated the growth of an expansive stream and wetland restoration industry, yet restoration prioritization at broad spatial extents is still limited and ad-hoc restoration prevails. Lovette, John P. Garcia, A. Terziotti, Silvia; Hoos, Anne B. Year Published: Assessing manure management strategies through small-plot research and whole-farm modeling Plot-scale experimentation can provide valuable insight into the effects of manure management practices on phosphorus P runoff, but whole-farm evaluation is needed for complete assessment of potential trade offs.

Assessing manure management strategies through small-plot research and whole-farm modeling; ; Article; Journal; Journal of Soil and Water Conservation; Garcia, A. Drainage equations for random and irregular tile drainage systems. Fig 8 groups 44 sites of DO average concentration into four clusters. Sample sites 12, 20A, 22, 24, 24A, 27, 30, 32, 34, 39, 40, 42 and 48 are grouped into Cluster 1.

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Cluster 2 includes the water quality stations 6, 8A, 9, 13, 19, 21, 25A, 29, 35, 36A, 37, 38, 41 and Cluster 3 comprises water quality stations 1, 2, 23 and Other sites fall into Cluster 4. Results show that the highest concentrations of DO are represented by Cluster 3 in the upstream, and Cluster 4 is characterized by severe pollution and is basically distributed in the middle, followed by Cluster 2 with moderate pollution. These sites are basically distributed in the middle and downstream. Cluster 1 has the lowest concentrations.

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Fig 9 groups 44 sites into three clusters. Sample sites 12 and 36A are grouped into Cluster 1. Cluster 2 includes water quality stations 5, 15, 17, and Indonesian Government Regulation No. According to the regulation, pollutant load capacity, water quality monitoring, and wastewater discharge determination should be identified and carried out by the national government.

Data will help for building construction permits, spatial planning of water source management, wastewater discharge permits, and water quality identification. The provincial and city governments are responsible for cross-city and cross-district water pollution problems and must provide a report of water pollution conditions every year to the Ministry of Environment. The population of Jakarta continued to increase from to Water use is also increasing, driving enormous challenges for WWTP development, planning and management.

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BOD and DO analysis show that water qaulity for most stations improved from to The improvement of water quality may come from water pollution control actions and the construction of WWTPs by the provincial and city government. However, there are some stations which still show poor water quality, possibly due to rising residential populations and lack of sewerage and WWTPs. Most sewerage is disconnected and discharged directly to surface waters.

Addressing environmental challenges requires complete sewerage connected to WWTP.

The government of Jakarta is planning to build a USD 6. Jakarta experiences many water-related problems due to lack of WWTP and sewerage connections. Rapid population growth is a major factor affecting water pollution problems. The construction of WWTP and sewerage cannot match the pace of population growth. Rapid urbanization is also driving overexploitation of groundwater and land subsidence in Jakarta adding to the many water sources facing stress in the city.

Water Quality Modelling For Rivers And Streams Water Science And Technology Library

Water supply in Jakarta is achieved via the combined sources of piped water, groundwater, bottled water and recycled water [ 57 ]. Water access must be made more equitable and more environmentally sustainable by developing robust plans for water service delivery and inclusive development in the city. Existing facilities often fail due to high cost of investment, operations and maintenance [ 58 ].

Construction of a comprehensive sewage system is essential to connect to WWTP in urban areas to control water pollution problems.

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Ancillary problems include rural wastewater collection, and solid waste management. Sustainable urban water environments require managing flood risk exacerbated by land subsidence due to groundwater overdraft [ 59 ]. Urban inundation can drive solid waste and polluted water into surface waters exacerbating pollution problems [ 60 ]. Limiting groundwater overdraft is essential to addressing flood risk as is managing groundwater recharge, construction of pump stations and underground water storage.

Government has the responsibility to regulate the private sector and build sewage systems connected to WWTP. Collaboration between citizens and government is a powerful way to improve water quality. Best practice dictates that improving water quality requires wastewater collection and connection to sewerage and ultimately to the WWTP.

WWTPs must be designed considering population growth and urban development. Water pollution controls must be implemented to eliminate overexploitation of ground water, prevent flood disasters, and use ecological measures to clean the urban waters according to comprehensive urban development plans. Improved water quality and water environment can lend value to Jakarta and improve the aesthetic quality of the city as well as living conditions. Clean river water confers human health, tourism development, real estate value, and commerce, in addition to happiness.

The limitation of this paper is that the sampling times are not long, and the data quantity is insufficient. Future research should consider 1 the effect of flooding on water quality; 2 groundwater pollution; and 3 field surveys on pollution sources. Jakarta has recently seen rapid population growth, water shortages, flood risk, and land subsidence caused by groundwater overdraft.

These problems are especially acute for Jakarta which lacks wastewater treatment plants and sewerage. Some stations in the downstream show significant increasing trends. DO in most stations shows an increasing trend. Although water quality in Jakarta has generally improved in recent years, there is still a great deal of work to do.

Sufficient WWTP capacity is necessary to deliver high quality effluent to rivers and streams. Wastewater treatment plants should consider population growth and urban development in the present and future. For rural areas, collecting wastewater and solid waste can be effective to stop river water pollution. Limiting groundwater overdraft can effectively stop land subsidence and mitigate flooding.

Cooperation between government, industry and the public is necessary to address water quality and environmental challenges. Results from this study provide valuable information that resource managers can use to create sustainable water environments in Jakarta and beyond. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. We also appreciate the reviewers for providing valuable comments.

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  • PLoS One. Published online Jul Weili Duan, Editor. Author information Article notes Copyright and License information Disclaimer. Received Feb 28; Accepted Jun This is an open access article distributed under the terms of the Creative Commons Attribution License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Abstract Megacities are facing serious water pollution problems due to urbanization, rapid population growth and economic development.

    Introduction Water pollution continues to be a major challenge in the context of urban development and population growth, particularly in contexts without adequate wastewater treatment [ 1 — 3 ]. Study sites, data and methodology 2. Open in a separate window.

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    Fig 1. Location of river water quality monitoring stations conducted by the Government of DKI Jakarta Province The river network and boundary map are drawn by Dr. Apip; The location map is drawn by Dr. Table 1 List of water sampling stations for secondary water quality data. Station Name and location Station NO.

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    Station Name and location 1 S. Grogol, Jl. Lebak Bulus 3A S. Ciliwung, Jl. Halimun 25A S. Radio Dalam 4 S. Mas Mansyur Karet Tengsin 27 S. Kwitang 6 S. Kalibaru, Komp. Srengseng Sawah 32 S. Cipinang, Jl. Halim P Kusuma 35 S. Cakung, Jl. Buaran, Jl. Kalimalang Pondok Kelapa 12 S.