PlainWater

THERMOPOLIS, TOWN OF

PWS ID: WY5600056 · THERMOPOLIS, Wyoming 82443

Population Served
2,775
Total Violations
29
Health-Based Violations
2
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,630
County
Hot Springs
School/Daycare
No
MCL Violations
0
Monitoring Violations
25
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 4 1994
Chromium MR 2 1993
Lead and Copper Rule MR 2 2007
Interim Enhanced Surface Water Treatment Rule TT 2 2011
Arsenic MR 1 1982
2,4,5-TP MR 1 1981
Methoxychlor MR 1 1981
Endrin MR 1 1981
Selenium MR 1 1982
Total Haloacetic Acids (HAA5) MR 1 2007
CARBON, TOTAL MR 1 2007
Barium MR 1 1982
Gross Alpha, Excl. Radon and U MR 1 1976
Combined Radium (-226 and -228) MR 1 1976
TTHM MR 1 2007
2,4-D MR 1 1981
Cadmium MR 1 1982
Toxaphene MR 1 1981
Fluoride MR 1 1982
BHC-GAMMA MR 1 1981
Mercury MR 1 1982
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.