PlainWater
Counties → Arizona

Navajo County, Arizona

Water Systems
63
Population Served
99,221
Total Violations
9,952
379 health-based
PFAS Detected
6
of 8 tested

Violation Analysis

100.0%
Systems with Violations
158.0
Avg Violations per System
3.8%
Health-Based Violations

Water Source Types

GW
50 systems (79%)

PFAS Contamination

8
Systems Tested
6
PFAS Detected
75.0%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Navajo Arizona water systems by violation status, EPA SDWIS records.

No violations on record (0) One or more violations (50)

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
City of Show Low 17,139 825 Clean
Arizona Water Co - Overgaard 13,797 69 Clean
Arizona Water Co - Lakeside 12,191 89 Detected
Winslow City Of 9,789 256 Clean
Snowflake Town Of 5,590 144 Clean
Ponderosa Dwid 5,375 508 Detected
Holbrook City Of 5,318 207 Clean
Town of Taylor 4,190 309 -
Arizona Water Co - Pinetop Lakes 3,513 9 Clean
Pinetop Water Community Facilities Dist 3,250 430 -
Voyager at White Mountain Lakes WC 1,997 549 -
Joseph City Dwid 1,811 318 -
White Mountain Summer Homes Dwid 1,233 248 -
Watco Water 1,153 79 -
Mountain Glen Water Servic Linden Trails 975 128 -
Timberland Acres Dwid 922 207 -
Heber Dwid 839 225 -
Cs High Country Pines Water Company 668 93 -
Navajo Water - Summer Pines 580 88 -
Navajo County Government Complex 540 203 -
White Mountain Water Company 475 116 -
Holbrook Travel Center #246 450 89 -
Country Lane Trailer Park 450 250 -
Clay Springs Dwid 425 176 -
Pinedale Clay Spring Lds 400 33 -
Sky HI Dwid 390 162 -
Wonderland Acres Dwid 380 323 -
Pinedale Dwid 376 193 -
Timberline MHP 350 58 -
Porter Mountain Dwid 322 275 -
Buckskin Artists Community 320 85 -
Heber Lds Youth Camp 300 4 -
Sun Valley Utilities 287 273 -
Porter Creek Dwid 250 192 -
Pinedale Estates Dwid 208 271 -
Rocky Rim Resort Cabins 200 20 -
Concern Inc Camp Shadow 200 22 -
AZ Public Service Co Cholla Water 200 48 -
Navajo Water - Chaparral Pines 198 107 -
Sweetwater Ranch - Town of Taylor 180 145 -
A Petersen Water Company 160 120 -
Linden Lds Church 150 63 -
Lazy L Resort RV Park 150 85 -
Apache Acres MHP 150 366 -
Woodruff Domestic Water Company Inc 140 225 -
Yosemite Meats 130 38 -
Heber Dwid - Black Canyon Subdivision 103 45 -
Holbrook SDA Indian School 100 200 -
Ncpr Tall Timbers County 100 87 -
Navajo Water - Laguna Estates 89 59 -

Other Counties in Arizona

Maricopa County
215 systems · 4,392,896 served · 30,745 violations
Pima County
195 systems · 1,138,545 served · 30,465 violations
Pinal County
94 systems · 505,241 served · 20,790 violations
Mohave County
119 systems · 231,271 served · 20,586 violations
Yavapai County
238 systems · 223,192 served · 25,793 violations
Yuma County
51 systems · 217,720 served · 16,217 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Navajo County? ▼
Navajo County has 9,952 total drinking water violations across 63 water systems, of which 379 are health-based violations. 100.0% of systems have at least one violation.
How many people get water from Navajo County systems? ▼
Water systems in Navajo County serve approximately 99,221 people through 63 public water systems.
Has PFAS been detected in Navajo County water? ▼
Of 8 water systems tested for PFAS in Navajo County, 6 had PFAS detected (75.0% detection rate).
What types of water sources supply Navajo County? ▼
Water systems in Navajo County use GW (50 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. 3.8% of Navajo County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
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.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.