This page contains guidance manuals for primacy agencies conducting sanitary surveys at drinking water systems. The manuals discuss drinking water systems that treat or deliver drinking water from surface water, ground water under the direct influence of surface water, or ground water sources.
- Guidance Manual for Conducting Sanitary Suveys of Public Water Systems; Surface Water and Ground Water Under the Direct Influence (GWUDI) of Surface Water (PDF)(432 pp, 21.2 MB, April 1999, EPA 815-R-99-016 About PDF)
- Sanitary Survey Guidance Manual for Ground Water Systems (PDF)(154 pp, 2 MB, October 2008, EPA 815-R-08-015)