Granite Mountain Water Company
PWSID: AZ0413150
System Details
| Population Served | 381 |
| Service Connections | 155 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Private |
| Status | Active |
| City | Chino Valley |
| Zip Code | 86323 |
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0110 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0029 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0010 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0000 mg/L | 0.015 mg/L | Below Action Level |
1 Active Violations
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-07-01 | | Open |
Violation History (29 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2023-07-01 | Major | Returned to Compliance |
| | 2023-07-01 | Major | Acknowledged |
| | 2023-07-01 | Major | Returned to Compliance |
| | 2023-07-01 | Major | Acknowledged |
| | 2022-01-01 | Major | Acknowledged |
| | 2022-01-01 | Major | Acknowledged |
| | 2022-01-01 | Major | Returned to Compliance |
| | 2022-01-01 | Major | Acknowledged |
| | 2022-01-01 | Major | Acknowledged |
| | 2022-01-01 | Major | Returned to Compliance |
| | 2021-04-01 | Major | Returned to Compliance |
| | 2021-04-01 | Major | Returned to Compliance |
| | 2018-04-01 | Major | Returned to Compliance |
| | 2016-04-01 | Major | Returned to Compliance |
| | 2015-07-01 | | Returned to Compliance |
| | 2013-10-01 | | Returned to Compliance |
| | 2013-07-01 | | Returned to Compliance |
| | 2012-07-01 | | Returned to Compliance |
| | 2011-07-01 | | Returned to Compliance |
| | 2009-07-01 | | Returned to Compliance |
| | 2007-10-01 | | Returned to Compliance |
| | 2006-10-01 | | Returned to Compliance |
| | 2006-07-01 | | Returned to Compliance |
| | 2005-07-01 | | Returned to Compliance |
| | 2004-07-01 | | Returned to Compliance |
| | 2004-07-01 | | Returned to Compliance |
| | 2003-07-01 | | Returned to Compliance |
| | 2002-07-01 | | Returned to Compliance |