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NPDES permits establish allowable discharge limits or effluent limitations that include both concentration and volume of flow. Section 402(k) of the federal Clean Water Act (CWA) provides for what is known as a “permit shield.” This means that if you are in compliance with your NPDES permit, then you are deemed to be in compliance […]
NPDES permits establish allowable discharge limits or effluent limitations that include both concentration and volume of flow. Section 402(k) of the federal Clean Water Act (CWA) provides for what is known as a “permit shield.” This means that if you are in compliance with your NPDES permit, you are deemed to be in compliance with […]
Under the conditional no-exposure exclusion (found at 40 CFR 122.26(g)), operators of industrial facilities subject to stormwater regulations have the opportunity to certify to a condition of “no exposure” if their industrial materials and operations are not exposed to stormwater. Note: This no-exposure exclusion does not apply to construction activities, which are addressed under the […]
NPDES FAQs for Fracking Operations in the Marcellus Shale—Part 2 Q: If a publicly owned treatment works (POTW) were to consider accepting shale gas extraction (SGE) wastewater from a fracking operation, what wastewater information would the POTW need to collect? A: To meet the requirements of its own NPDES permit, a POTW operator would need […]
NPDES FAQs for Fracking Operations in the Marcellus Shale—Part 1 Q: Are hydraulic fracturing, or “fracking,” operations allowed to discharge wastewater directly to waters of the United States if they have a NPDES permit? A: The Clean Water Act (CWA) prohibits the discharge of pollutants by point sources into waters of the United States, except […]
Simple Steps for Minimizing Stormwater Pollution—Part 2 5) Although many facilities are required by different regulations to implement spill prevention, control, and cleanup plans, even those that are not should consider the potential benefits. The EPA recommends the following aspects to incorporate in such plans: Spill prevention is the best way to avoid contaminated runoff […]
Simple Steps for Minimizing Stormwater Pollution Stormwater runoff is the major contributor to the ongoing degradation of our nation’s surface and groundwater. Although we cannot control precipitation, there are plenty of ways to control its impact through measures that are both common sense and required by law. Here are some of EPA’s recommended measures for […]
Sufficiently Sensitive Testing Methods Rule—The Definitions One of the most subjective aspects of testing methods is the term “sufficiently sensitive.” To establish what is meant by the term, the Environmental Protection Agency (EPA) has defined it in two sections of the regulations: 40 CFR 122.21(e), which covers application completeness, and in 40 CFR 122.44(i)(I)(iv), which […]
Sufficiently Sensitive Testing Methods Rule—The Rationale Under the Clean Water Act’s (CWA) NPDES program, the EPA established and required “sufficiently sensitive” analytical methods be used by permit applicants and for “analysis of pollutants or pollutant parameters under an NPDES permit.” These “generally approved” methods under 40 CFR Part 136 and 40 CFR Chapter I, […]
