How many water violations are in Yavapai County?

Yavapai County has 25,793 total drinking water violations across 238 water systems, of which 2,820 are health-based violations. 99.6% of systems have at least one violation.

How many people get water from Yavapai County systems?

Water systems in Yavapai County serve approximately 223,192 people through 238 public water systems.

Has PFAS been detected in Yavapai County water?

Under EPA UCMR5, 6 of 11 tested systems in Yavapai County had at least one PFAS detection (54.5% of the UCMR5-tested subset - not of all 238 SDWIS systems).

What types of water sources supply Yavapai County?

Water systems in Yavapai County use GW (237 systems), SW (1 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. 10.9% of Yavapai County's violations are health-based. Among counties with any SDWIS violations, this extract puts Yavapai County in the middle health-based share band. Not all violations indicate immediate health risk, but they require corrective action.

Where does Yavapai County sit among U.S. counties for water-system population?

According to EPA SDWIS county population served used on /counties, Yavapai County ranks #303 of 3,254 counties by people served, and #5 of 15 counties in Arizona. Ordinals use the same total_population DESC sort as the counties directory. See /methodology#corpus-placement.

Counties → Arizona

Yavapai County, Arizona

Compiled by PlainWater · May 15, 2026

SDWIS compliance plate

Sheet AZ025 · Yavapai County 238 sys · 25,793 viol · #303/3254

VIOL-SEVERE · HEALTH-LOW · RANK-TOP · PHOTO-FINISH · PFAS-HIGH · SRC-GW · SYS-LARGE · BOOK-FULL

VIOL-SEVERE 99.6% flagged
HEALTH-LOW 10.9% health
RANK-TOP #303/3254
PHOTO-FINISH ±0.4 pp
PFAS-HIGH 54.5% detect
SRC-GW GW lead 100%
SYS-LARGE 238 systems
BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Cochise County (+ 0.4 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Yavapai County ranks #303 of 3,254 counties by people served, and #5 of 15 counties in Arizona. See methodology · corpus placement.

Yavapai County standing, mid-flagged corpus third

Flagged-system rate 99.6% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 10.9% is health-based share in the middle third (≤ 24.5%) . UCMR5 detect rate 54.5% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #303 of 3,254 · #5 of 15 in Arizona.

Water Systems

System Name	Population	Violations	PFAS
Town of Prescott Valley	57,048	396	Clean
Prescott City Of	42,217	616	Detected
Cottonwood Municipal Water Cw1	11,023	367	Detected
Big Park Water Company	7,392	2,033	Detected
Town of Camp Verde Utilities	5,013	89	Clean
Clarkdale Municipal Water System	4,920	114	Clean
Cottonwood Municipal Water Vv6	4,509	590	Clean
Cordes Lakes Water Company	4,257	107	-
Arizona Water Co - Rimrock	3,423	205	Clean
Freeport McMoran Bagdad Town	3,200	134	-
Cottonwood Municipal Water Vv2	2,893	437	-
Wickenburg Ranch Estates	2,877	36	-
Chino Valley Town Of	2,742	280	-
Montezuma Castle National Monument	2,500	25	-
Black Canyon City Wid	2,437	218	-
Chino Meadows II	2,350	154	-
Ash Fork Water Service	2,250	120	-
Cottonwood Municipal Water Vsf1	2,194	85	-
Diamond Valley Water District	2,000	120	-
Adot McGuireville Rest Area	2,000	62	-
Abra Water Company	1,932	170	-
Congress Dwid	1,870	88	-
Camp Verde School Dist 28	1,810	121	-
Awc - Valley Vista	1,776	52	-
Oak Creek Water District	1,507	431	-
Cottonwood Municipal Water Vv3	1,458	295	-
Mayer Dwid	1,400	330	-
Mingus Union High School	1,200	452	-
Granite Oaks Water Users Association	1,200	137	-
Bradshaw Mountain View Water	1,127	158	-
Adot Sunset Point Rest Area	1,008	57	-
Chino Valley High School	960	97	Detected
Walden Meadows Comm Coop	880	37	-
Verde Lakes Water - Dinky Creek	875	190	-
Verde Lakes Water - Big Valley	870	203	-
Humboldt Water System	825	239	-
Chino Valley School - del Rio	800	84	Detected
Cottonwood Municipal Water Vv 1	785	252	-
Yavapai Water Company	728	186	-
Cs Peeples Valley Water Company	658	221	-
Cs Oak Creek Public Service LLC	650	231	-
View Motel	625	39	-
Ponderosa Park Dwid	602	83	Detected
Mingus West Water System	602	29	-
Appaloosa Water Company	600	94	-
Immaculate Conception Church	600	19	-
Inscription Canyon Water Company	566	76	-
Coldwater Canyon 1	541	216	-
Yarnell Water Improvement Association	515	157	-
Bradshaw Water Company Inc	510	88	-

Compare beyond Arizona

Mid-flagged peers for Yavapai County

Cross-state counties nearest Yavapai County on flagged-system share (99.6%) and cumulative violation count (25,793). In-state neighbours stay on the compliance plate above.

Similar flagged-system rate

Nearest cross-state counties by % of SDWIS systems with at least one violation on record.

4 peers

Similar violation load

Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).

4 peers

Read our methodology · Check your water system - 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

Compiled by PlainWater, Drinking Water Quality Editorial Process · May 15, 2026

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.