PlainWater

ROCK CREEK WATER DISTRICT

PWS ID: OR4100337 · GRAND RONDE, Oregon 97347

Population Served
300
Total Violations
419
Health-Based Violations
17
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
108
County
Polk
School/Daycare
No
MCL Violations
1
Monitoring Violations
391
Treatment Tech Violations
16

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 291 2025
Interim Enhanced Surface Water Treatment Rule MR 31 2025
Surface Water Treatment Rule TT 16 2025
Coliform (TCR) MR 12 2015
Nitrate MR 6 2009
Consumer Confidence Rule Other 5 2025
Public Notice Other 3 2025
1,2,4-Trichlorobenzene MR 2 2009
DICHLOROMETHANE MR 2 2009
p-Dichlorobenzene MR 2 2009
Vinyl chloride MR 2 2009
trans-1,2-Dichloroethylene MR 2 2009
1,2-Dichloroethane MR 2 2009
1,1,1-Trichloroethane MR 2 2009
Carbon tetrachloride MR 2 2009
1,2-Dichloropropane MR 2 2009
Trichloroethylene MR 2 2009
Benzene MR 2 2009
Toluene MR 2 2009
Xylenes, Total MR 2 2009
cis-1,2-Dichloroethylene MR 2 2009
o-Dichlorobenzene MR 2 2009
Styrene MR 2 2009
1,1-Dichloroethylene MR 2 2009
1,1,2-Trichloroethane MR 2 2009
Ethylbenzene MR 2 2009
Tetrachloroethylene MR 2 2009
CHLOROBENZENE MR 2 2009
DICHLOROMETHANE MCL 1 2007
Cadmium MR 1 1979
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.