PlainWater
States → 09

Round Valley Agency

PWS ID: 090605073 · Covelo, 09 95428

Population Served
84
Total Violations
318
Health-Based Violations
5
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
30
School/Daycare
No
MCL Violations
4
Monitoring Violations
183
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 20 2015
Revised Total Coliform Rule RPT 16 2024
Gross Alpha, Excl. Radon and U MR 14 2011
Combined Uranium MR 14 2011
Combined Radium (-226 and -228) MR 14 2011
Nitrate MR 11 2023
Lead and Copper Rule MR 10 2020
Consumer Confidence Rule Other 7 2010
Coliform (TCR) MCL 4 2005
Chlorine MR 4 2022
Revised Total Coliform Rule MON 3 2022
Arsenic MR 2 2008
Barium MR 2 2008
Cadmium MR 2 2008
Fluoride MR 2 2011
Mercury MR 2 2008
Selenium MR 2 2008
Beryllium, Total MR 2 2008
BHC-GAMMA MR 2 2001
Toxaphene MR 2 2001
Carbofuran MR 2 2001
Atrazine MR 2 2001
LASSO MR 2 2001
Heptachlor MR 2 2001
Heptachlor epoxide MR 2 2001
2,4,5-TP MR 2 2001
Pentachlorophenol MR 2 2001
Total Polychlorinated Biphenyls (PCB) MR 2 2001
1,2-DIBROMO-3-CHLOROPROPANE MR 2 2001
ETHYLENE DIBROMIDE MR 2 2001
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.