PlainWater

SONOITA VALLEY (SOUTH) WATER COMPANY

PWS ID: AZ0412005 · TUCSON, Arizona 85754

Population Served
169
Total Violations
165
Health-Based Violations
7
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
59
County
Santa Cruz
School/Daycare
No
MCL Violations
5
Monitoring Violations
127
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Gross Alpha, Excl. Radon and U MR 29 2024
Combined Uranium MR 24 2024
Public Notice Other 9 2024
Coliform (TCR) MR 8 2010
Chlorine MR 6 2019
Combined Uranium MCL 5 2012
Consumer Confidence Rule Other 5 2019
Lead and Copper Rule MR 4 2019
Nitrate MR 3 2002
DICHLOROMETHANE MR 2 2001
o-Dichlorobenzene MR 2 2001
trans-1,2-Dichloroethylene MR 2 2001
1,2-Dichloroethane MR 2 2001
1,1,1-Trichloroethane MR 2 2001
Carbon tetrachloride MR 2 2001
1,2-Dichloropropane MR 2 2001
CHLOROBENZENE MR 2 2001
Benzene MR 2 2001
Combined Radium (-226 and -228) MR 2 2013
Radium-228 MR 2 2013
Radium-226 MR 2 2013
LEAD AND COPPER RULE REVISIONS RPT 2 2024
LEAD AND COPPER RULE REVISIONS TT 2 2024
cis-1,2-Dichloroethylene MR 2 2001
1,1-Dichloroethylene MR 2 2001
1,1,2-Trichloroethane MR 2 2001
Tetrachloroethylene MR 2 2001
p-Dichlorobenzene MR 2 2001
Trichloroethylene MR 2 2001
Toluene MR 2 2001
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.