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Is an Infiltration Basin Regulated As a Class V Injection Well?

by Caltha Company | Dec 10, 2012 | FAQ, Industrial Wastewater, Stormwater, Waste, Water

Possibly. Class V wells are used to inject non-hazardous fluids underground. Most Class V wells are used to dispose of wastes into or above underground sources of drinking water and can pose a threat to ground water quality, if not managed properly. Most Class V wells...

What Is Residual Designation Authority Under Clean Water Act?

by Caltha Company | Nov 16, 2012 | FAQ, Water

Recently, industrial, commercial and municipal NPDES discharge permits have been required for dischargers in selected areas that have not previous been required to obtain such permits, under existing applicability requirements. This requirement has been in conjunction...

Guidance on Containment and Disposal of Contaminated Water for Water Utilities

by Caltha Company | Nov 15, 2012 | Hazardous Materials, Water

The US EPA Office of Water has released the reference document “Containment and Disposal of Large Amounts of Contaminated Water: A Support Guide for Water Utilities”. The guide is intended to help water utilities prepare for and respond to a contamination event when...

How are “benchmark values” in my NPDES permit different than “permit limits”?

by Caltha Company | Nov 14, 2012 | FAQ, Stormwater, Water

Benchmark values differ from permit limits. In a typical wastewater NPDES permit, limits may be specified for chemical parameters; if any of the limits are exceeded, it becomes a violation of the permit and may be subject to enforcement action. Benchmark values, in...

DC Proposed Rulemaking For Stormwater Fee Discount Program

by Caltha, LLP | Oct 16, 2012 | Stormwater, Water

The Washington DC District Department of the Environment (DDOE) has released its revised rules and has requested public comments on its Proposed Rulemaking for a Stormwater Fee Discount Program, published in the October 5, 2012 issue of the DC Register. The provisions...
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