PlainWater
States → Arizona

ASARCO MISSION UNIT

PWS ID: AZ0420005 · SAHUARITA, Arizona 85629

Population Served
544
Total Violations
120
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Public/Private
Connections
8
County
Pima
School/Daycare
No
MCL Violations
4
Monitoring Violations
114
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 22 2015
Fluoride MR 6 1989
Chlorine MR 3 2016
Fluoride MCL 3 1980
Nitrate MR 2 1998
Endrin MR 2 2001
BHC-GAMMA MR 2 2001
Diquat MR 2 2001
Endothall MR 2 2001
Glyphosate MR 2 2001
OXAMYL MR 2 2001
Di(2-ethylhexyl) phthalate MR 2 2001
Picloram MR 2 2001
Dinoseb MR 2 2001
Hexachlorocyclopentadiene MR 2 2001
Carbofuran MR 2 2001
Atrazine MR 2 2001
LASSO MR 2 2001
Heptachlor MR 2 2001
2,4-D MR 2 2001
2,4,5-TP MR 2 2001
HEXACHLOROBENZENE MR 2 2001
Benzo(a)pyrene MR 2 2001
1,2-DIBROMO-3-CHLOROPROPANE MR 2 2001
ETHYLENE DIBROMIDE MR 2 2001
Chlordane MR 2 2001
Simazine MR 2 2001
Heptachlor epoxide MR 2 2001
Di(2-ethylhexyl) adipate MR 2 2001
Methoxychlor MR 2 2001
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.