PlainWater
Counties → Arizona

Yuma County, Arizona

Water Systems
51
Population Served
217,720
Total Violations
16,217
2,576 health-based
PFAS Detected
7
of 7 tested

Violation Analysis

94.1%
Systems with Violations
318.0
Avg Violations per System
15.9%
Health-Based Violations

Water Source Types

GW
39 systems (76%)
SW
11 systems (22%)

PFAS Contamination

7
Systems Tested
7
PFAS Detected
100.0%
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

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

No violations on record (2) One or more violations (48)

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 Yuma 103,264 456 Clean
San Luis City Of 39,705 682 Clean
Foothills Water and Sewer LLC 32,425 1,945 Clean
Somerton City Of 14,197 190 Clean
Usmc Yuma Main System 6,324 350 Detected
Aspc Yuma 4,197 441 Clean
Wellton Town Of 3,000 929 -
Howard Cantonment Area 1,500 164 -
Adot Mohawk Ra 900 67 -
Walker Cantonment Area 888 295 -
Sierra Pacific Mobile Manor 816 366 -
Yuma Lakes Resort 652 370 -
Cs Tierra Mesa Estates Water Company 632 284 Clean
Cs Gadsden Water Company 540 214 -
Tacna Water Improvement District 500 0 -
Laguna Mobile Home and RV Park 450 388 -
Shepard Water Company 430 344 -
Orange Grove Elementary School 425 65 -
Cs El Prado Water Company 404 461 -
Fishers Landing Resort 402 382 -
Del Pueblo RV Park Tennis Resort 400 104 -
Yuma Regional Medical Center 400 0 -
Kofa Cantonment Area 390 236 -
Antelope Union High School 375 476 -
Rocking K RV 366 82 -
Gowan Milling LLC 350 79 -
Hidden Shores RV Village 324 339 -
Dateland Public Service Co 319 227 -
Blue Sky RV Park 300 53 -
Kofa Co-Op 300 61 -
Cs Mohawk Utility Company 243 1,140 -
Lost Traveler RV Park 200 100 -
Yuma Desalting Project 200 190 -
Rancho Bonito RV Park 200 54 -
Mohawk Valley School District 171 1,438 -
Antelope Water Company 163 388 -
Dateland Elementary School 160 104 -
Ligurta Stat Restaurant 150 75 -
Sun Leisure Estates Improvement District 143 370 -
Dateland Travel Center 135 135 -
Cs Rancheros Bonitos Water Company 120 299 -
Cs Green Acres Water Company 105 267 -
Cs Citrus Park Water Company 102 299 -
Usmc Air Station - Cannon Complex 100 109 -
G & L Mobile Park 90 263 -
Mountain View Mobile Village 75 194 -
River RV Ranch 71 199 -
Jones Coop Water Assoc 35 363 -
Yuma West MHP 30 156 -
Aps - Yucca Water 27 24 -

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
Coconino County
116 systems · 180,537 served · 13,681 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Yuma County? ▼
Yuma County has 16,217 total drinking water violations across 51 water systems, of which 2,576 are health-based violations. 94.1% of systems have at least one violation.
How many people get water from Yuma County systems? ▼
Water systems in Yuma County serve approximately 217,720 people through 51 public water systems.
Has PFAS been detected in Yuma County water? ▼
Of 7 water systems tested for PFAS in Yuma County, 7 had PFAS detected (100.0% detection rate).
What types of water sources supply Yuma County? ▼
Water systems in Yuma County use GW (39 systems), SW (11 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. 15.9% of Yuma 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.