ET-4B1 (2/8/05 version)
Chemical Integrity: Bacteria / Pathogens

Why is this a Surface Water Quality Problem?

• Watershed Assessment Units
• Large River Assessment Units
• Surface Water Sources of Drinking Water

Why is this a Ground Water Quality Problem?

Priority Areas

• Waters designated for primary contact recreational use, particularly bathing beaches;
• LE beaches;
• Watersheds with bacteria TMDLs underway;
• Watersheds (LRAUs (PDF 8kb) and WAUs (PDF 49kb)) where bacteria is a key cause of non-attainment;
• Target implementation areas on OEPA priority list for sewering;
• Watersheds/counties with state approved Home Sewage Treatment System (HSTS) Plans;
• Source water protection areas with actively injecting Class V wells;
• Map showing sensitive aquifers that are vulnerable to NPS contamination (critical to protect for both public and private water supplies);
• Phase II storm water communities listed in appendices 6 and 7.