Community Water System · PWS AZ0413079

Chino Meadows II

Chino Valley, Arizona 86323 - drinking water served from groundwater sources to 2,350 people, tracked in EPA SDWIS and UCMR5.

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

2,350
People served: 154
EPA violations: 1
Health-based: Untested
UCMR5 result

The verdict

EPA records 154 drinking-water violations at Chino Meadows II, 1% of them health-based - above the Arizona per-system average.

154
Total EPA violations on record: 1%
Health-based (MCL / treatment failure): 2,350
People served by this system: N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Chino Meadows II

Chino Meadows II is a private-owned community water system that delivers drinking water to 2,350 residents in Chino Valley, Arizona (Yavapai County) through 1,012 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 154 total violations for this system , of which 1 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 124 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Chlorine, recorded in 37 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Arizona, EPA tracks 1,493 public water systems serving 7,322,166 people, with 228,944 cumulative violations and 15,663 health-based violations on record. About 98% of systems in the state carry at least one violation, and state-wide the average per system is 153.3 violations. Statewide, 145 of 152 UCMR5-tested systems have reported PFAS detections (95.4%).

Chino Meadows II's 154 violations sit above the Arizona average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served

2,350

Total Violations

154

Health-Based Violations

Water Source

Groundwater

System Details

System Type: Community
Owner Type: Private
Connections: 1,012
County: Yavapai
School/Daycare: No
MCL Violations: 1
Monitoring Violations: 124
Treatment Tech Violations: 0

Violation History

Contaminant violations recorded by EPA.

Contaminant	Category	Count	Latest
Chlorine	MR	37	2024
Coliform (TCR)	MR	17	2015
Consumer Confidence Rule	Other	16	2025
TTHM	MR	8	2023
Total Haloacetic Acids (HAA5)	MR	8	2023
Nitrate	MR	5	2006
1,2,4-Trichlorobenzene	MR	2	2001
cis-1,2-Dichloroethylene	MR	2	2001
Xylenes, Total	MR	2	2001
o-Dichlorobenzene	MR	2	2001
p-Dichlorobenzene	MR	2	2001
trans-1,2-Dichloroethylene	MR	2	2001
1,1,1-Trichloroethane	MR	2	2001
Carbon tetrachloride	MR	2	2001
1,2-Dichloropropane	MR	2	2001
Trichloroethylene	MR	2	2001
Ethylbenzene	MR	2	2001
Styrene	MR	2	2001
DICHLOROMETHANE	MR	2	2001
1,2-Dichloroethane	MR	2	2001
1,1,2-Trichloroethane	MR	2	2001
Benzene	MR	2	2001
Toluene	MR	2	2001
Revised Total Coliform Rule	RPT	2	2021
1,1-Dichloroethylene	MR	2	2001
Tetrachloroethylene	MR	2	2001
CHLOROBENZENE	MR	2	2001
Lead and Copper Rule	MR	1	2004
Coliform (TCR)	MCL	1	2005
Fluoride	MR	1	1988

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Chino Meadows II.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID AZ0413079 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Arizona Drinking Water Authority

Arizona DEQ, Drinking Water Program is the primacy agency that licenses and inspects Chino Meadows II under EPA-delegated authority.

Open AZ regulator portal

Source: Arizona DEQ, Drinking Water Program

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest)	Contaminant	Category	Count	EPA Record
2025	Consumer Confidence Rule	Other	16	SDWIS / AZ0413079 / 7000
2024	Chlorine	MR	37	SDWIS / AZ0413079 / 0999
2023	TTHM	MR	8	SDWIS / AZ0413079 / 2950
2023	Total Haloacetic Acids (HAA5)	MR	8	SDWIS / AZ0413079 / 2456
2021	Revised Total Coliform Rule	RPT	2	SDWIS / AZ0413079 / 8000
2015	Coliform (TCR)	MR	17	SDWIS / AZ0413079 / 3100
2006	Nitrate	MR	5	SDWIS / AZ0413079 / 1040
2005	Coliform (TCR)	MCL	1	SDWIS / AZ0413079 / 3100
2004	Lead and Copper Rule	MR	1	SDWIS / AZ0413079 / 5000
2001	1,2,4-Trichlorobenzene	MR	2	SDWIS / AZ0413079 / 2378
2001	cis-1,2-Dichloroethylene	MR	2	SDWIS / AZ0413079 / 2380
2001	Xylenes, Total	MR	2	SDWIS / AZ0413079 / 2955
2001	o-Dichlorobenzene	MR	2	SDWIS / AZ0413079 / 2968
2001	p-Dichlorobenzene	MR	2	SDWIS / AZ0413079 / 2969
2001	trans-1,2-Dichloroethylene	MR	2	SDWIS / AZ0413079 / 2979

How Chino Meadows II Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric	Chino Meadows II	Arizona avg	Federal benchmark
Total violations	154	153.3	SDWA compliance, any non-zero count is a recorded breach
Health-based violations	1	10.5	Indicates a contaminant exceeded a federal MCL
PFAS detection	None	95.4%	EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served	2,350	4,904	Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,493 regulated public water systems in Arizona.

Federal MCL reference, Safe Drinking Water Act thresholds ▼

Contaminant	Federal MCL / Action Level	Note
Lead	0 mg/L (Action Level: 0.015 mg/L)	Lead and Copper Rule treatment technique
Arsenic	0.010 mg/L (10 ppb)	Health-based MCL since 2006
Total Coliform	Treatment technique (RTCR)	Indicator organism, monitoring trigger
PFOA / PFOS (PFAS)	4.0 ppt each (final 2024 rule)	Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N)	10 mg/L	Acute health risk for infants

Frequently Asked Questions

Is Chino Meadows II water safe to drink? ▼

Chino Meadows II (PWS ID: AZ0413079) has 154 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,350 people using Groundwater sources.

How many people does Chino Meadows II serve? ▼

Chino Meadows II serves 2,350 people in Chino Valley, Arizona. It is a Private-owned system using Groundwater water sources with 1,012 service connections.

What type of violations does Chino Meadows II have? ▼

Chino Meadows II has 154 total violations: 1 health-based violations (MCL exceedances or treatment failures), 124 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Has PFAS been detected in Chino Meadows II water? ▼

No PFAS testing data is available for Chino Meadows II under the EPA's UCMR5 monitoring program.

What water source does Chino Meadows II use? ▼

Chino Meadows II uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.

Where does this data come from? ▼

All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

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 system's figures are rendered directly from 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.