County 09045 County, 09
Water Systems
7
Population Served
2,388
Total Violations
676
17 health-based
PFAS Detected
0
of 0 tested
Violation Analysis
100.0%
Systems with Violations
96.6
Avg Violations per System
2.5%
Health-Based Violations
Water Source Types
GW
4 systems (57%)
SW
3 systems (43%)
Compliance Snapshot
County 09045 09 water systems by violation status, EPA SDWIS records.
No violations on record (0) One or more violations (7)
Violation history is cumulative — many flagged systems have already returned to compliance. Detail pages show per-system context.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Coyote Valley System | 850 | 5 | — |
| Four Corners Power - APS | 595 | 28 | — |
| Dzilthnaodithhle Boarding School - BIE | 400 | 40 | — |
| Mitomkai Tribal Water System | 300 | 55 | — |
| Hanaadli Huerfano Boarding School - BIE | 123 | 140 | — |
| Original Sherwood Valley Rancheria | 60 | 371 | — |
| Lake Valley Navajo School - BIE | 60 | 37 | — |
Other Counties in 09
County 09013 County
23 systems · 114,768 served · 2,232 violations
County 09017 County
18 systems · 47,180 served · 4,330 violations
County 09073 County
10 systems · 41,233 served · 1,205 violations
County 09019 County
29 systems · 26,556 served · 2,067 violations
County 09031 County
23 systems · 19,530 served · 2,193 violations
County 09061 County
1 systems · 18,007 served · 10 violations
Drinking Water Guides
Related Environmental Data
Frequently Asked Questions
How many water violations are in County 09045 County? ▼
County 09045 County has 676 total drinking water violations across 7 water systems, of which 17 are health-based violations. 100.0% of systems have at least one violation.
How many people get water from County 09045 County systems? ▼
Water systems in County 09045 County serve approximately 2,388 people through 7 public water systems.
Has PFAS been detected in County 09045 County water? ▼
No PFAS testing data is available for water systems in County 09045 County.
What types of water sources supply County 09045 County? ▼
Water systems in County 09045 County use GW (4 systems), SW (3 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 2.5% of County 09045 County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Where does this water quality data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and UCMR5 PFAS monitoring program. SDWIS tracks violations for all public water systems regulated under the Safe Drinking Water Act.
Data Sources & Methodology
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.
Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.
Read our methodology — how this data is sourced, computed, and verified.
Related
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial
