PlainWater

RIETH WATER DISTRICT

PWS ID: OR4100617 · PENDLETON, Oregon 97801

Population Served
150
Total Violations
55
Health-Based Violations
12
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
76
County
Umatilla
School/Daycare
No
MCL Violations
12
Monitoring Violations
38
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 32 2012
Coliform (TCR) MCL 12 2007
Nitrate MR 3 2003
Consumer Confidence Rule Other 3 2024
Gross Alpha, Excl. Radon and U MR 1 1976
Combined Radium (-226 and -228) MR 1 1976
Lead and Copper Rule MR 1 2005
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.