PlainWater
States09

Round Valley Admin. Complex

PWS ID: 090605128 · Covelo, 09 95428

Population Served
100
Total Violations
284
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Native American
Connections
6
School/Daycare
No
MCL Violations
4
Monitoring Violations
192
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule RPT 13 2023
Lead and Copper Rule MR 10 2013
Nitrate MR 9 2023
Coliform (TCR) MR 6 2015
Antimony, Total MR 4 2020
Beryllium, Total MR 4 2020
Thallium, Total MR 4 2020
Di(2-ethylhexyl) adipate MR 4 2008
Coliform (TCR) MCL 4 2015
Chlorine MR 4 2022
Arsenic MR 3 2020
Barium MR 3 2020
Cadmium MR 3 2020
Chromium MR 3 2020
CYANIDE MR 3 2008
Fluoride MR 3 2020
Mercury MR 3 2020
Selenium MR 3 2020
Diquat MR 3 2008
Endothall MR 3 2008
Glyphosate MR 3 2008
OXAMYL MR 3 2008
Simazine MR 3 2008
Di(2-ethylhexyl) phthalate MR 3 2008
Hexachlorocyclopentadiene MR 3 2008
Carbofuran MR 3 2008
Atrazine MR 3 2008
LASSO MR 3 2008
Benzo(a)pyrene MR 3 2008
1,2-DIBROMO-3-CHLOROPROPANE MR 3 2008
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.