EPCOR - SAN TAN
PWSID: AZ0411128 · San Tan Valley, AZ · Serves 87,435 people
According to EPA Safe Drinking Water Information System (SDWIS), EPCOR - SAN TAN (PWSID AZ0411128) in San Tan Valley, AZ is listed as a CWS water system covering about 87,435 people. The same extract lists 2 health-based violation records spanning 2016-2017. Those 2 health-based rows for EPCOR - SAN TAN cover contaminants such as Nitrate; they remain historical EPA registry entries, not a current compliance or drinkability score.
EPCOR - SAN TAN has 2 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. 1 distinct EPA contaminant code appears in this system's record, including Nitrate. Recorded violations span 2016–2017. 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)
- AZ0411128
- System Type
- CWS
- Water Source
- Groundwater
- Location
- San Tan Valley, AZ
- Population Served
- 87,435
- Health Violations
- Yes (2)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Nitrate | 2 | 2 |
Frequently Asked Questions
What does EPA SDWIS list for EPCOR - SAN TAN?
How many people does EPCOR - SAN TAN serve?
What violations does EPCOR - SAN TAN have?
What contaminants have been found in EPCOR - SAN TAN water?
Compare beyond Arizona
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest EPCOR - SAN TAN on cumulative violation count (2) and EPA-reported population served (87,435). Violation-count peers include SAINT REGIS MOHAWK TRIBE, REDBY/RED LAKE, Kickapoo Traditional Tribe. Population peers include DAYTONA BEACH, CITY OF, WINTER HAVEN WATER DEPARTMENT, OGDEN CITY WATER SYSTEM.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
EPCOR - SAN TAN (AZ0411128) is drawn from EPA SDWIS. Nearby county systems in this extract include QUEEN CREEK TOWN OF; GW SANTA CRUZ WATER CO; GRIC DPW Wild Horse Pass; FLORENCE WATER COMPANY. Health-based rows (2 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.