Colorado River Regional Water System
PWSID: 090400051 · Parker, AZ · Serves 3,476 people
According to EPA Safe Drinking Water Information System (SDWIS), Colorado River Regional Water System (PWSID 090400051) in Parker, AZ is listed as a CWS water system covering about 3,476 people. The same extract lists 17 health-based violation records spanning 2014-2020. Those 17 health-based rows for Colorado River Regional Water System cover contaminants such as Groundwater Rule, Revised Total Coliform Rule, Coliform (TCR); they remain historical EPA registry entries, not a current compliance or drinkability score.
Colorado River Regional Water System has 17 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. 3 distinct EPA contaminant codes appear in this system's record, including Groundwater Rule, Revised Total Coliform Rule, Coliform (TCR). Recorded violations span 2014–2020. 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)
- 090400051
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Parker, AZ
- Population Served
- 3,476
- Health Violations
- Yes (17)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Groundwater Rule | 8 | 8 |
| Revised Total Coliform Rule | 6 | 6 |
| Coliform (TCR) | 3 | 3 |
Violation History (17)
| Contaminant | Health | Date |
|---|---|---|
| Revised Total Coliform Rule | Yes | Apr 1, 2020 |
| Revised Total Coliform Rule | Yes | Apr 1, 2020 |
| Revised Total Coliform Rule | Yes | Apr 1, 2020 |
| Revised Total Coliform Rule | Yes | Sep 1, 2016 |
| Revised Total Coliform Rule | Yes | Sep 1, 2016 |
| Revised Total Coliform Rule | Yes | Sep 1, 2016 |
| Coliform (TCR) | Yes | Oct 1, 2015 |
| Coliform (TCR) | Yes | Oct 1, 2015 |
| Coliform (TCR) | Yes | Oct 1, 2015 |
| Groundwater Rule | Yes | Mar 31, 2014 |
| Groundwater Rule | Yes | Mar 31, 2014 |
| Groundwater Rule | Yes | Mar 31, 2014 |
| Groundwater Rule | Yes | Mar 31, 2014 |
| Groundwater Rule | Yes | Mar 31, 2014 |
| Groundwater Rule | Yes | Mar 31, 2014 |
| Groundwater Rule | Yes | Mar 31, 2014 |
| Groundwater Rule | Yes | Mar 31, 2014 |
Frequently Asked Questions
What does EPA SDWIS list for Colorado River Regional Water System?
How many people does Colorado River Regional Water System serve?
What violations does Colorado River Regional Water System have?
What contaminants have been found in Colorado River Regional Water System water?
Compare beyond Arizona
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest Colorado River Regional Water System on cumulative violation count (17) and EPA-reported population served (3,476). Violation-count peers include SOUTH TONGASS WATER UTILITY, DERMOTT WATERWORKS, SUBIACO CITY WATERWORKS. Population peers include GREATER GARDENDALE WSC, FORT BEND COUNTY MUD 121, Colusa Southern 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
Colorado River Regional Water System (090400051) is drawn from EPA SDWIS. Nearby county systems in this extract include Big River Development; Town of Parker; QUARTZSITE TOWN OF; EHRENBERG IMPROVEMENT DISTRICT. Health-based rows (17 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.