WHITE HORSE RANCH OWNERS ASSOCIATION
PWSID: AZ0413221 · Prescott, AZ · Serves 292 people
According to EPA Safe Drinking Water Information System (SDWIS), WHITE HORSE RANCH OWNERS ASSOCIATION (PWSID AZ0413221) in Prescott, AZ is listed as a CWS water system covering about 292 people. The same extract lists 53 health-based violation records spanning 2015-2025. Those 53 health-based rows for WHITE HORSE RANCH OWNERS ASSOCIATION cover contaminants such as Nitrate, Groundwater Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.
WHITE HORSE RANCH OWNERS ASSOCIATION has 53 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 2 distinct EPA contaminant codes appear in this system's record, including Nitrate, Groundwater Rule. Recorded violations span 2015–2025. Day-to-day primacy enforcement for this system runs through the Arizona drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Arizona state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- AZ0413221
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Prescott, AZ
- Population Served
- 292
- Health Violations
- Yes (53)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Nitrate | 51 | 51 |
| Groundwater Rule | 2 | 2 |
Violation History (53)
| Contaminant | Health | Date |
|---|---|---|
| Groundwater Rule | Yes | Nov 6, 2025 |
| Groundwater Rule | Yes | Nov 6, 2025 |
| Nitrate | Yes | Oct 1, 2025 |
| Nitrate | Yes | Jul 1, 2025 |
| Nitrate | Yes | Apr 1, 2025 |
| Nitrate | Yes | Jan 1, 2025 |
| Nitrate | Yes | Jan 1, 2025 |
| Nitrate | Yes | Oct 1, 2024 |
| Nitrate | Yes | Oct 1, 2024 |
| Nitrate | Yes | Jul 1, 2024 |
| Nitrate | Yes | Jul 1, 2024 |
| Nitrate | Yes | Jul 1, 2024 |
| Nitrate | Yes | Apr 1, 2024 |
| Nitrate | Yes | Apr 1, 2024 |
| Nitrate | Yes | Jan 1, 2024 |
| Nitrate | Yes | Jan 1, 2024 |
| Nitrate | Yes | Jan 1, 2024 |
| Nitrate | Yes | Oct 1, 2023 |
| Nitrate | Yes | Oct 1, 2023 |
| Nitrate | Yes | Oct 1, 2023 |
| Nitrate | Yes | Jul 1, 2023 |
| Nitrate | Yes | Jul 1, 2023 |
| Nitrate | Yes | Jul 1, 2023 |
| Nitrate | Yes | Jul 1, 2023 |
| Nitrate | Yes | Apr 1, 2023 |
| Nitrate | Yes | Apr 1, 2023 |
| Nitrate | Yes | Jan 1, 2023 |
| Nitrate | Yes | Jan 1, 2023 |
| Nitrate | Yes | Oct 1, 2022 |
| Nitrate | Yes | Oct 1, 2022 |
| Nitrate | Yes | Jul 1, 2022 |
| Nitrate | Yes | Jul 1, 2022 |
| Nitrate | Yes | Apr 1, 2022 |
| Nitrate | Yes | Apr 1, 2022 |
| Nitrate | Yes | Jan 1, 2022 |
| Nitrate | Yes | Oct 1, 2021 |
| Nitrate | Yes | Apr 1, 2021 |
| Nitrate | Yes | Apr 1, 2021 |
| Nitrate | Yes | Oct 1, 2020 |
| Nitrate | Yes | Jul 1, 2020 |
| Nitrate | Yes | Apr 1, 2020 |
| Nitrate | Yes | Jan 1, 2020 |
| Nitrate | Yes | Oct 1, 2019 |
| Nitrate | Yes | Apr 1, 2019 |
| Nitrate | Yes | Jul 1, 2018 |
| Nitrate | Yes | Apr 1, 2018 |
| Nitrate | Yes | Jan 1, 2018 |
| Nitrate | Yes | Oct 1, 2017 |
| Nitrate | Yes | Jul 1, 2017 |
| Nitrate | Yes | Apr 1, 2017 |
| Nitrate | Yes | Jan 1, 2017 |
| Nitrate | Yes | Jan 1, 2016 |
| Nitrate | Yes | Jan 1, 2015 |
Frequently Asked Questions
What does EPA SDWIS list for WHITE HORSE RANCH OWNERS ASSOCIATION?
How many people does WHITE HORSE RANCH OWNERS ASSOCIATION serve?
What violations does WHITE HORSE RANCH OWNERS ASSOCIATION have?
What contaminants have been found in WHITE HORSE RANCH OWNERS ASSOCIATION water?
Compare beyond Arizona
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest WHITE HORSE RANCH OWNERS ASSOCIATION on cumulative violation count (53) and EPA-reported population served (292). Violation-count peers include CROW AGENCY WATER SYSTEM, SMITHLAND WATER & SEWER, VALLEY VIEW CTR FOR NURSING CARE & REHAB.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
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About This Data
WHITE HORSE RANCH OWNERS ASSOCIATION (AZ0413221) is drawn from EPA SDWIS. Health-based rows in this extract are MCL and Treatment Technique records spanning 2015-2025 covering Nitrate, Groundwater Rule. Historical registry entries, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.