OAK CREEK WATER DISTRICT
PWS ID: AZ0413041 · SEDONA, Arizona 86336
Population Served
1,507
Total Violations
431
Health-Based Violations
143
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 755
- County
- Yavapai
- School/Daycare
- No
- MCL Violations
- 139
- Monitoring Violations
- 240
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Arsenic | MCL | 137 | 2023 |
| Arsenic | MR | 51 | 2021 |
| Coliform (TCR) | MR | 28 | 2016 |
| Consumer Confidence Rule | Other | 22 | 2017 |
| Nitrate | MR | 18 | 2006 |
| E. COLI | MR | 7 | 2023 |
| Lead and Copper Rule | MR | 5 | 2023 |
| Revised Total Coliform Rule | RPT | 5 | 2023 |
| Revised Total Coliform Rule | TT | 4 | 2024 |
| Mercury | MR | 3 | 1998 |
| Revised Total Coliform Rule | MON | 3 | 2017 |
| Cadmium | MR | 3 | 1998 |
| Chromium | MR | 3 | 1998 |
| Fluoride | MR | 3 | 1998 |
| Selenium | MR | 3 | 1998 |
| Barium | MR | 3 | 1998 |
| BHC-GAMMA | MR | 2 | 1998 |
| Methoxychlor | MR | 2 | 1998 |
| Dalapon | MR | 2 | 1998 |
| Endothall | MR | 2 | 1998 |
| Glyphosate | MR | 2 | 1998 |
| OXAMYL | MR | 2 | 1998 |
| Simazine | MR | 2 | 1998 |
| Picloram | MR | 2 | 1998 |
| Atrazine | MR | 2 | 1998 |
| Heptachlor | MR | 2 | 1998 |
| 2,4-D | MR | 2 | 1998 |
| HEXACHLOROBENZENE | MR | 2 | 1998 |
| Benzo(a)pyrene | MR | 2 | 1998 |
| Pentachlorophenol | MR | 2 | 1998 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.