The purpose of the Revised Total Coliform Rule (RTCR) is to increase public health protection through the reduction of potential pathways for microbial contamination to enter distribution systems and to better protect the public from waterborne illness. The purpose of the Ground Water Rule (GWR) is to reduce disease incidence associated with harmful microorganisms in drinking water.
Some water systems are seasonal water systems. Seasonal water systems are systems that do not operate year-round but rather have a seasonal operating period. All seasonal water systems are required, by the RTCR, to complete Seasonal Start Up procedures (SSUP) each year prior to serving water. SSUP certification form and guidance can be found below.
Seasonal Start-Up (SSUP) Reporting Forms
The purpose of the Lead and Copper Rule is to protect public health by minimizing lead and copper levels in drinking water. Lead and copper primarily enter into the drinking water from service lines and household plumbing due to the corrosivity of the water. Due to this, water samples are collected within the distribution system at kitchen or bathroom taps within residences and other buildings.
There is no safe level of lead in drinking water. Exposure to lead in drinking water can cause serious health effects in all age groups, especially pregnant people, infants (both formula-fed and breastfed), and young children. Some of the health effects to infants and children include decreases in IQ and attention span. Lead exposure can also result in new or worsened learning and behavior problems. The children of persons who are exposed to lead before or during pregnancy may be at increased risk of these harmful health effects. Adults have increased risks of heart disease, high blood pressure, kidney or nervous system problems.
Lead and copper enter drinking water primarily through plumbing materials. EPA established the Lead and Copper Rule to monitor drinking water at customer taps. If lead or copper action levels are exceeded in more than 10% of customer taps sampled, the system Submit must undertake corrective actions to control corrosion.
The purpose of the rule is to reduce exposure to disinfection byproducts. The rule applies to community and non-transient non-community systems that add or have a disinfectant in their drinking water.
The most common regulated contaminants in this rule are Trihalomethanes (TTHM) and Haloacetic acids (HAA5).
For specific rule information and your PWS Contact PWS Compliance.
Operational Evaluation Level (OEL) Reporting Forms
Attn: Laura Smith
Construction Permitting Section
Water Quality Division, DEQ
P.O. Box 1677
OKC, OK 73101-1677
The purpose of the Surface Water Treatment Rules (SWTRs) is to reduce illnesses caused by pathogens in drinking water. The disease-causing pathogens include Legionella, Giardia lamblia, and Cryptosporidium.
The regulations provide protection from disease-causing pathogens and also protect against contaminants that can form during drinking water treatment.
The Phase II/V Rules contain monitoring requirements and maximum contaminant levels for thirteen inorganic chemicals (IOCs), twenty-one volatile organic chemicals (VOCs), and twenty-nine synthetic organic chemicals (SOCs). Waivers are available to water systems to reduce or eliminate the number of samples a system must take while not jeopardizing public health.
IOCs are chemical substances of mineral origin. These include metals such as mercury, chromium, nitrate, and arsenic.
VOCs are chemicals that are used and produced in the manufacturing of paints, adhesives, petroleum products, pharmaceuticals, and refrigerants. They often are compounds of fuels, solvents, hydraulic fluids, paint thinners, and dry-cleaning agents.
SOCs are manmade compounds commonly used in herbicides and pesticides.
The Consumer Confidence Report (CCR) is a document community water systems are required to provide annually to their customers. The CCR provides consumers information about the quality of their local drinking water. The CCR summarizes the previous calendar years data that the water system already collects to comply with federal and state regulations. It includes information about the source(s) of water, chemical contaminants, bacteriological contaminants, compliance with drinking water rules, educational health information, and water system contact information.
The public notification rule ensures that consumers will know if there is a problem with their drinking water. Public notices explain the severity of the problem and what actions need to be taken.
Information for Collecting Samples for a Public Water Supply
Information for Laboratories
