Non-Community Public Water Systems

Non-community systems are public water systems that regularly supply water to at least 25 of the same people at least six months per year, but not year-round. Some examples are schools, factories, office buildings, and hospitals which have their own water systems.

We have 198 resources (and counting) on Non-Community Systems in our Documents Database that provide valuable information on this topic. You can search for documents on how to tell if you are considered a public water system, instructions on seasonal public water system startup, a seasonal supply determination chart for noncommunity public water supplies, and many other useful guides that will help you to provide safe and clean water to your community. 

To access the wealth of knowledge on Non-Community Systems within our database just select "CATEGORY" in the dropdown then choose "Non-Community Systems." Once you make that selection, a second dropdown will appear where you can choose "HOST," “TYPE,” or “STATE” to narrow the search even further. If you have a specific search term in mind, use the “Keyword Filter” search bar on the right side of the screen.

This is part of our A-Z for Operators series.

Decentralized Stakeholder Partnership Renewed

In 2005, the Environmental Protection Agency formed a Decentralized Wastewater Partnership with eight initial public and private sector partners, with the goal of improving the overall performance and management of decentralized systems. The partnership’s Memorandum of Understanding (MOU) is renewed every three years with the following five priorities:

• Increase outreach and public education about decentralized wastewater/septic systems.
• Identify and utilize current information about decentralized wastewater/septic system use and performance in the United States.
• Promote advanced decentralized treatment technologies to the wastewater industry and the public.
• Share information on funding options to help communities and homeowners with decentralized wastewater/septic system repair and replacement.
• Address workforce, education, training and research needs related to the decentralized wastewater industry.

The partnership has created more awareness of decentralized issues nationwide through SepticSmart Week and other promotional activities the group has planned. It has also led to more interaction between member organizations, helping to develop more consistency in messaging as well as more cooperation and working relationships, which helps advance the goals of the MOU.

The partnership’s MOU was most recently renewed on December 5, 2023, for the seventh signing. The partner organizations have grown in number from eight to 25 as of the newest MOU. Five organizations joined the partnership for the newest cycle, including the United States Department of Agriculture Rural Development (USDA-RD) and the WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (WASH). 

The new MOU “[renews] the commitment of EPA and its partner organizations to work together to encourage proper management of decentralized systems and increase collaboration among EPA, state and local governments, and decentralized system practitioners and providers.” The renewal document can be read and downloaded here.

Decentralized MOU Signatories, December 5, 2023

Accomplishments of the 2020 MOU

The chief accomplishment of the 2020 MOU cycle was the implementation of the “Closing America’s Wastewater Access Gap Community” initiative. A team from the EPA and USDA-RD launched and led the program, with technical assistance provided by the Rural Community Assistance Partnership (RCAP), the National Rural Water Association (NRWA), and the Environmental Finance Center Network (EFCN). The pilot program worked in 11 historically underserved communities from Arizona to North Carolina to tackle wastewater management challenges and protect community health.

2022 marked the 10th anniversary of SepticSmart Week, the annual celebration led by the EPA of septic system management. SepticSmart Week 2022 featured a photo challenge which helped create 800,000 impressions on social media. Community and educational events were held across the country.

Partners also released a host of new educational materials throughout the MOU cycle, including reports, position papers, and fact sheets. Notably, RCAP and the National Onsite Wastewater Recycling Association (NOWRA) released a guidebook and training courses for homeowners with septic systems. The MOU Partnership together updated the online training module “Water Infrastructure and Resiliency Finance Center,” and released a series of reports addressing the decentralized industry’s workforce issues.

Among partner organizations, the National Environmental Health Association (NEHA) assisted the Center for Disease Control and Prevention in developing the Private Water Network, which trains professionals to manage private water sources effectively. The Water Research Foundation (WRF) completed two major research projects on improving decentralized technologies. RCAP completed over 150 technical assistance projects in 45 states and territories; 26 of which were specifically decentralized and onsite projects.

For our part, the team at WaterOperator.org and the Private Well Class has been an active non-member of the MOU Partnership, participating in meetings, calls, and assisting with the SepticSmart Week committee and activities.

Read the full report on the 2020-2023 accomplishments of the MOU Partnership for more details on these and many more accomplishments.

For More from the Decentralized Wastewater Partnership

• Visit the partnership’s EPA landing page, where you can find the MOU agreements from each signing cycle, accomplishment reports from each cycle, and highlighted educational materials.
• Check out the series of webinars the partnership has sponsored since 2010.
• Bookmark the EPA’s homepage for septic/decentralized/onsite systems.

Nitrate Levels in Drinking Water

U.S. EPA regulates nitrate in drinking water to protect public health. Nitrate may cause health problems if present in public or private water supplies in amounts greater than the drinking water standard set by U.S. EPA. There is also concern about nitrate in wastewater effluent.

We have 204 resources (and counting) on Nitrate in our Documents Database that provide valuable information on this topic. You can search for documents on how to address the presence of nitrate, analytical methods recommended for drinking water monitoring of secondary contaminants, case studies on controlling nitrification in a distribution system, and many other useful guides that will help you to deliver safe and clean water to utility customers. 

To access the wealth of knowledge on Nitrate within our database just select "CATEGORY" in the dropdown then choose "Nitrate." Once you make that selection, a second dropdown will appear where you can choose "HOST," “TYPE,” or “STATE” to narrow the search even further. If you have a specific search term in mind, use the “Keyword Filter” search bar on the right side of the screen.

This is part of our A-Z for Operators series.

Compliance Monitoring for Water Systems

Regulations can require compliance monitoring at specific locations and at specific times and intervals. This can look like the collection of water samples or recording information about the system from gauges and dials. Often, samples must be shipped very quickly to the laboratory before the sample degrades. It is recommended that systems also complete voluntary monitoring for operations and maintenance purposes to diagnose potential problems.

We have 2,350 resources (and counting) on Monitoring in our Documents Database that provide valuable information on this topic. You can search for documents on sampling protocols for PFAS, comparison of coliform media, algal toxin removal capabilities of common drinking water treatment processes, Consumer Confidence Reporting (CCR) compliance checklist examples, and many other useful guides that will help you to deliver safe and clean water to utility customers. 

To access the wealth of knowledge on Monitoring within our database just select "CATEGORY" in the dropdown then choose "Monitoring." Once you make that selection, a second dropdown will appear where you can choose "HOST," “TYPE,” or “STATE” to narrow the search even further. If you have a specific search term in mind, use the “Keyword Filter” search bar on the right side of the screen.

This is part of our A-Z for Operators series.

What Is a Cluster System?

According to U.S. EPA: "A cluster (or community) decentralized wastewater treatment system is under some form of common ownership and collects wastewater from two or more dwellings or buildings. It conveys the wastewater to a treatment and dispersal system located on a suitable site near the dwellings or buildings. It is common to find cluster systems in places like rural subdivisions."

Image from U.S. Environmental Protection Agency

Cluster systems transport wastewater from a small number of homes (typically 2-10) via alternative sewers to either a conventional treatment plant or to a pretreatment facility followed by soil absorption of the effluent. Cluster systems can be financially sound, environmentally friendly solutions for small community wastewater problems, where conventional central treatment systems are not practical or affordable and where individual onsite systems are inappropriate because of site or soil limitations. 

The advantages of cluster systems are the lower average cost, flexibility in land use, less complex operation and maintenance for the community, and non-discharging, decentralized wastewater treatment systems can provide an environmentally sound alternative for small or disadvantaged communities.

The main disadvantage of cluster systems is the amount of operation and maintenance needed. While it is typically not complicated, alternative sewers have septic tanks that need to be inspected and pumped and mechanical parts and controls that use electricity. Since cluster systems are located onsite, workers are required to travel to individual homes or businesses. This type of decentralized wastewater system requires more frequent maintenance, which can be costly if anything is malfunctioning. 

Another key thing to keep in mind is that cluster systems require a somewhat complex organizational structure in order to make community decisions like fee collection and continuing education of homeowners about wastewater issues. The cooperation of homeowners using the cluster system is much more important than with municipal systems since smaller systems are less resilient and less tolerant of periodic large flows or larger than normal loadings of household chemicals than in large systems, where these peaks are averaged out over a very large user base.

Lead and Copper Pipe Replacement

Lead and copper enter drinking water primarily through plumbing materials. Exposure to lead and copper may cause health problems ranging from stomach distress to brain damage. The treatment technique for lead and copper requires systems to monitor drinking water at customer taps. If the action level for lead is exceeded, the system must also inform the public about steps they should take to protect their health and may have to replace lead service lines under their control.

We have 521 resources (and counting) on Lead and Copper in our Documents Database that provide valuable information on this topic. You can search for documents on how to collaborate with organizations to replace lead service lines (LSLs), case studies that analyze LSLs in small community water systems, how to reduce lead in drinking water in schools and childcare facilities, how to address lead in drinking water with the Drinking Water State Revolving Fund (DWSRF), and many other useful guides that will help you to deliver safe and clean water to utility customers. 

To access the wealth of knowledge on Lead and Copper within our database just select "CATEGORY" in the dropdown then choose "Lead and Copper." Once you make that selection, a second dropdown will appear where you can choose "HOST," “TYPE,” or “STATE” to narrow the search even further. If you have a specific search term in mind, use the “Keyword Filter” search bar on the right side of the screen.

This is part of our A-Z for Operators series.

Technology and Innovation in the Water Sector

Innovative water treatment technologies refer to advanced and unconventional methods explored to purify and manage water resources. These solutions often leverage cutting-edge technologies and scientific advancements to address water management challenges including emerging contaminants, water scarcity, energy efficiency, resource recovery, decarbonization, etc. These technologies are often still being researched and benchmarked through laboratory or pilot-scale studies. 

We have 364 resources (and counting) on Innovative Water Technologies in our Documents Database that provide valuable information on this topic. You can search for documents about identifying water system leaks with the help of dogs, alternative water resources as we face degrading water quality and supply, treatment options for taste-and-odor problems, approaches to drinking water technology approval, and many other useful guides that will help you to deliver safe and clean water to utility customers. 

To access the wealth of knowledge on Innovative Water Technologies within our database just select "CATEGORY" in the dropdown then choose "Innovative Water Technologies." Once you make that selection, a second dropdown will appear where you can choose "HOST," “TYPE,” or “STATE” to narrow the search even further. If you have a specific search term in mind, use the “Keyword Filter” search bar on the right side of the screen.

This is part of our A-Z for Operators series.

Winter Maintenance for Septic Tanks

In the winter months, septic tanks are vulnerable to damages caused by lower temperatures and excessive snow. The biggest concerns being snow build up and lack of protection from cold temperatures. If your septic tank is located in an area where vehicles can drive over it, watch out for compacted snow that can push it deeper into the system. Fluid that lingers in poorly installed or deteriorating pipes, plumbing leaks, and long periods without using your septic system can all cause it to freeze. 

Your septic system may suffer damages if you do not provide adequate cover like an insulating cover/ blanket. These will help to trap heat inside the system and prevent it from freezing inside. Other ways to help prevent your septic system from freezing are to regularly pump your system (every 3-5 years) before winter, don't dispose of inappropriate waste down toilets or drains, use insulated pipes, and remove trees or plants with strong root systems from on top of your septic system to prevent root interference with the system.

Things to keep in mind when working in extreme cold:

• Wind Speed: high wind speeds can create a wind chill effect which makes it feel a lot colder than the reported temperature states.
• Humidity: humidity will cause heat to be conducted from the body much faster than if you are working in dry air. 
• Hypothermia: without proper protection, hypothermia can become a concern when the air temperature drops below -23 degrees Fahrenheit.
• Frostbite: exposed skin can freeze in 5-10 minutes when temperatures reach -40 degrees Fahrenheit.
• Ice & Snow: ice can freeze your equipment and the weight of snow can collapse structures you may be working in or under.

Always bring extra clothing and try to find a place to warm up when working in extremely frigid conditions. Be sure to remove excess snow from work areas and store your equipment under tarps or in heated areas.

Groundwater Rule Compliance

The groundwater rule is to reduce disease incidence associated with disease-causing microorganisms in drinking water. The rule establishes a risk-based approach to target groundwater systems that are vulnerable to fecal contamination. Groundwater systems that are identified as being at risk of fecal contamination must take corrective action to reduce potential illness from exposure to microbial pathogens. The rule applies to all systems that use ground water as a source of drinking water. 

We have 488 resources (and counting) on Groundwater in our Documents Database that provide valuable information on this topic. You can search for resources on the Ground Water Rule (GWR), public water well maintenance and use, compliance monitoring for GWSs, effective well maintenance and procedures, and many other useful guides that will help ensure our groundwater stays safe and clean for generations to come. 

To access the wealth of knowledge on Groundwater within our database just select "CATEGORY" in the dropdown then choose "Groundwater." Once you make that selection, a second dropdown will appear where you can choose "HOST," “TYPE,” or “STATE” to narrow the search even further. If you have a specific search term in mind, use the “Keyword Filter” search bar on the right side of the screen.

This is part of our A-Z for Operators series.

Developing a Septic System Owner's Guide

The Community Septic Owner's Guide online tool is designed to develop an Owner's Guide for everything from a single-family home, a commercial property, or even a cluster system serving 50+ homes. It was funded by the USDA National Institute of Food and Agriculture and created by the University of Minnesota. Some key things to keep in mind about this tool are:

• You will need to register if you are using the tool for the first time
• It contains generic stock/boiler plate general information, system component descriptions and images, and operations and maintenance (O&M) recommendations
• It allows you to upload site specific descriptions, images, and O&M recommendations
• It will produce a PDF guide for your home or structure to be used electronically or printed out
• It allows you to start and stop a project during the process and update it years later when things change
• It does NOT cover every scenario that exists across the US, but the creators of the tool hope it covers a vast majority of them