PlainWater
States → 09

Yurok - Terwer Water System

PWS ID: 090605143 · Klamath, 09 95548

Population Served
300
Total Violations
180
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
160
School/Daycare
No
MCL Violations
4
Monitoring Violations
154
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 10 2016
Lead and Copper Rule MR 10 2024
Nitrate MR 7 2015
Revised Total Coliform Rule MON 5 2024
Coliform (TCR) MCL 4 2002
Endothall MR 3 2011
Consumer Confidence Rule Other 3 2024
Fluoride MR 2 2011
Endrin MR 2 2011
BHC-GAMMA MR 2 2011
Methoxychlor MR 2 2011
Toxaphene MR 2 2011
Dalapon MR 2 2011
Diquat MR 2 2011
Glyphosate MR 2 2011
Di(2-ethylhexyl) adipate MR 2 2011
OXAMYL MR 2 2011
Simazine MR 2 2011
Dinoseb MR 2 2011
Hexachlorocyclopentadiene MR 2 2011
Carbofuran MR 2 2011
Atrazine MR 2 2011
Heptachlor MR 2 2011
Heptachlor epoxide MR 2 2011
2,4,5-TP MR 2 2011
Benzo(a)pyrene MR 2 2011
Pentachlorophenol MR 2 2011
1,2,4-Trichlorobenzene MR 2 2011
cis-1,2-Dichloroethylene MR 2 2011
Total Polychlorinated Biphenyls (PCB) MR 2 2011
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.