American Water Works Association – G300 Standard and Operational Guide Set

By Chi Ho Sham, PhD, Richard W. Gullick, PhD, Sharon C. Long, PhD, Pamela P. Kenel, PE

1. AWWA Standard G300, Source Water Protection (No. 47300)
This standard provides the definitive standard for a drinking water utility to protect its water supply sources.. It defines the minimum requirements for the development, implementation, and effectiveness assessment of source water protection programs for water utilities.

2. Operational Guide to AWWA Standard G300: Source Water Protection (No. 20622)
This companion guide provides practical instruction and guidelines for users of AWWA Standard G300, Source Water protection. It suggests various approaches for source water protection programs and includes worksheets and case studies of successful programs.

Consider the Source: A Pocket Guide for Protecting Your Drinking Water

EPA Office of Ground Water and Drinking Water  EPA 816-K-02-002

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Updating and Enhancing Your Source Water Assessment

EPA 816-K-05-004

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Source Water Stewardship Guide

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Path to Protection: Ten Strategies for Successful Source Water Protection

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Protecting the Source

Click to download “Protecting the Source,” by the Trust for Public Land – 53 pgs. TPL 2004 Protecting the Source Guide

Healthy, functioning watersheds slow surface runoff, increase water infiltration into the soil, naturally filter pollutants, decrease soil erosion, and moderate water quantity by decreasing flooding and recharging groundwater reserves. For every 10% increase in forest cover in a drinking water’s source area, treatment and chemical costs decrease by approximately 20%. This report presents a series of best practices on source protection and gives case studies of communities that have effectively linked land protection, water protection and water treatment cost savings. For more information, visit


Source Water Protection Plan Development and Implementation Guide


14 pgs. Developed under a 2014 LWVPA-CEF WREN SWP Opportunity Grant with funding from PADEP Safe Drinking Water Program by the North Central Source Water Protection Alliance based in Lycoming County, PA; Author: Eric Moore, P.E.

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Source water protection plans (SWPP) must be implemented in order to be effective. “No matter how well written, a SWPP that collects dust on a shelf does little to protect the resource. The process of organizing, funding, coordinating and carrying out the mission of a SWPP can be daunting. This Guide is intended to provide a “roadmap” that you may find useful as you develop and enact a SWPP, and can be used in concert with other existing resources…”



Source Water Protection: A Guidebook for Local Governments

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EPA Source Water Protection Practices BulletinsClick Here>>

EPA Source Water Protection Case StudiesClick Here>>

January 2014: Outside the Box: Innovative practices and strategies that connect land use decisions to drinking water source protection Enabling Source Protection Pilot Program, 2007-2013.

This report is designed as a follow-up to Elements of An Effective State Source Water Protection Program, a 2008 report from the Association of State Drinking Water Administrators (ASDWA) and the Ground Water Protection Council (GWPC). This update focuses on some of the most powerful tools identified over the course of the Enabling Source Protection project, a series of technical assistance engagements between state source protection programs and a project team including Trust for Public Land, the Association of State Drinking Water Administrators, River Network, and Smart Growth America.

For more information, go to the “Enabling Source Water Protection” website at


Water Research Foundation

Presents a Vision and Roadmap to guide U.S. water utilities and supporting groups with a unified strategy for coherent, consistent, cost-effective, and socially acceptable source water protection programs.  Two documents were produced, published in 2012:

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