This document is not a regulation nor is it intended as such. It is intended to provide information and direction to applicants and their consultants in an effort to help them meet the requirements of Regulation No. 22. This guidance document is to be used in combination with Regulation No. 22. Parties seeking site location approval should obtain a copy and be familiar with Regulation No. 22.

The Integrated Source Water Assessment and Protection (ISWAP) Project Plan combines elements of the previous Wellhead Protection Program and the Source Water Assessment and Protection (SWAP) project. The purpose of the ISWAP is to clearly outline and identify the project activities that support source water assessment and protection planning effort.

This report summarizes the results of an analysis of nitrate concentrations in the South Platte River between Chatfield Dam and the Burlington Ditch headgate (Upper South Platte Segments 6c and 14). The analysis is applicable to present and future conditions. Because the context for the analysis is a TMDL for nitrate, all influences on loads and concentrations of nitrate are taken into account as fully as possible on the basis of monitoring data,...

The purpose of this document is to present an overview of the assessment methodology used by the Colorado Source Water Assessment and Protection (SWAP) Program. This methodology was used to evaluate all public drinking water systems in Colorado that have ground water sources. Topics addressed in this document include: 1) background information on the SWAP Program; 2) an overview of the water cycle, water sources and public water systems; 3) a discussion...

The purpose of this manual is to consolidate and improve upon Green Industry Best Management Practices (BMPs) for the conservation of water resources and protection of water quality, with an emerging ethic of working toward sustainable landscaping practices. These BMPs include a variety of design, installation, maintenance, grower and retail practices relevant to the Green Industry and the public that they serve. This document is an initial building...

Our drinking water supplies, fishing and recreational waters are fouled by uncontrolled pollution when rainwater and snowmelt wash over city streets, parking lots, and suburban lawns and pick up toxic chemicals, disease-causing organisms (from pet waste), and dirt and trash. This problem is called urban stormwater pollution. Recent studies have found that urban stormwater rivals and in some cases exceeds sewage plants and large factories as a source...

The Basic Standards and Methodologies for Surface Waters (Regulation No. 31, 5 CCR 1002-31) contains antidegradation provisions which provide three separate levels of antidegradation protection (see section 31.8). This document is intended to provide guidance to Water Quality Control Division staff and to the public regarding the implementation of the antidegradation significance tests found in Regulation No. 31. This guidance is designed as a framework...

Colorado Public Water Systems (serve 25 or more persons for 60 or more days per year), Non-Community Systems (consumers, NOT residents), Non-Transient (same non-resident users daily). Consumers expect, and Colorado law requires, that all public water systems provide consistently safe drinking. This is a formidable challenge for all systems but especially for community public water systems that use any amount of surface water as their source. These...