Public water system · AZ0410208
ActiveSierrita Mountain Water Coop
Community water system in Pima County, Arizona, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
258
Service connections
67
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-10-01 | 52 | 5000 | No | Unaddressed |
| 2025-07-02 | 4H | 5200 | No | Unaddressed |
| 2025-05-01 | 27 | 0999 | No | Resolved |
| 2023-07-01 | 71 | 7000 | No | Resolved |
| 2023-01-01 | 66 | 5000 | No | Resolved |
| 2022-04-01 | 27 | 0999 | No | Resolved |
| 2019-10-01 | 52 | 5000 | No | Resolved |
| 2016-10-01 | 72 | 7000 | No | Resolved |
| 2016-07-01 | 71 | 7000 | No | Resolved |
| 2015-10-01 | 27 | 0999 | No | Resolved |
| 2009-10-01 | 27 | 0999 | No | Resolved |
| 2009-07-01 | 27 | 0999 | No | Resolved |
Sierrita Mountain Water Coop: frequently asked questions
Is Sierrita Mountain Water Coop's water safe to drink?
Sierrita Mountain Water Coop is an active community water system regulated under the Safe Drinking Water Act, overseen by the AZ state drinking water program. EPA SDWA violation and enforcement records for this system are being added to AquaCensus from EPA ECHO; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.
Who runs Sierrita Mountain Water Coop?
Sierrita Mountain Water Coop (PWSID AZ0410208) is a private-owned community water system, regulated by the AZ state drinking water program.
How many people does Sierrita Mountain Water Coop serve?
Sierrita Mountain Water Coop reports serving 258 people through 67 service connections in Pima County, Arizona.
Where does Sierrita Mountain Water Coop get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in Pima County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Tucson City of | Pima | 732,906 | Community | Groundwater |
| University of Arizona | Pima | 50,000 | Non-transient non-community | Groundwater |
| Metropolitan Dwid | Pima | 45,570 | Community | Groundwater |
| Oro Valley Water Utility | Pima | 42,316 | Community | Groundwater |
| Community Wc of Green Valley | Pima | 22,085 | Community | Groundwater |
| Usaf Davis Monthan Afb | Pima | 18,640 | Community | Groundwater |