NACO ESTATES
PWSID: AZ0402345 · Sierra Vista, AZ · Serves 75 people
According to EPA Safe Drinking Water Information System (SDWIS), NACO ESTATES (PWSID AZ0402345) in Sierra Vista, AZ is listed as a CWS water system covering about 75 people. The same extract lists 6 health-based violation records spanning 2022-2024. Those 6 health-based rows for NACO ESTATES cover contaminants such as Revised Total Coliform Rule, LEAD AND COPPER RULE REVISIONS; they remain historical EPA registry entries, not a current compliance or drinkability score.
NACO ESTATES has 6 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 Revised Total Coliform Rule, LEAD AND COPPER RULE REVISIONS. Recorded violations span 2022–2024. 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)
- AZ0402345
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Sierra Vista, AZ
- Population Served
- 75
- Health Violations
- Yes (6)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Revised Total Coliform Rule | 5 | 5 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
Violation History (6)
| Contaminant | Health | Date |
|---|---|---|
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| Revised Total Coliform Rule | Yes | Sep 30, 2024 |
| Revised Total Coliform Rule | Yes | Sep 30, 2024 |
| Revised Total Coliform Rule | Yes | Sep 30, 2024 |
| Revised Total Coliform Rule | Yes | Sep 11, 2022 |
| Revised Total Coliform Rule | Yes | Sep 11, 2022 |
Frequently Asked Questions
What does EPA SDWIS list for NACO ESTATES?
How many people does NACO ESTATES serve?
What violations does NACO ESTATES have?
What contaminants have been found in NACO ESTATES water?
Compare beyond Arizona
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest NACO ESTATES on cumulative violation count (6) and EPA-reported population served (75). Violation-count peers include CHEROKEE WATER SYSTEM, LAME DEER WATER SYSTEM, FOUR BEARS WATER SYSTEM.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Nearby Water Systems
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About This Data
NACO ESTATES (AZ0402345) is drawn from EPA SDWIS. Nearby county systems in this extract include BELLA VISTA CITY WATER SYSTEM; LIBERTY WATER RIO RICO; DOUGLAS CITY OF; US ARMY FORT HUACHUCA. Health-based rows (6 MCL/TT) are historical registry state, 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.