PlainWater
States → Arizona

CS WINCHESTER WATER COMPANY

PWS ID: AZ0402110 · DES PERES, Arizona 63131

Population Served
402
Total Violations
128
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
157
County
Cochise
School/Daycare
No
MCL Violations
2
Monitoring Violations
97
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 18 2008
Consumer Confidence Rule Other 12 2022
Lead and Copper Rule MR 7 2023
Nitrate MR 4 2021
E. COLI MR 4 2023
Revised Total Coliform Rule TT 4 2022
Revised Total Coliform Rule RPT 3 2023
cis-1,2-Dichloroethylene MR 2 2002
Xylenes, Total MR 2 2002
DICHLOROMETHANE MR 2 2002
1,1-Dichloroethylene MR 2 2002
trans-1,2-Dichloroethylene MR 2 2002
Carbon tetrachloride MR 2 2002
1,2-Dichloropropane MR 2 2002
Trichloroethylene MR 2 2002
Benzene MR 2 2002
Ethylbenzene MR 2 2002
Styrene MR 2 2002
1,1,2-Trichloroethane MR 2 2002
Tetrachloroethylene MR 2 2002
CHLOROBENZENE MR 2 2002
Toluene MR 2 2002
Coliform (TCR) MCL 2 2010
1,1,1-Trichloroethane MR 2 2002
p-Dichlorobenzene MR 2 2002
o-Dichlorobenzene MR 2 2002
1,2-Dichloroethane MR 2 2002
1,2,4-Trichlorobenzene MR 2 2002
Endrin MR 1 1998
Dalapon MR 1 1998
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.