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Community Water System · PWS AZ0413208

Appaloosa Water Company

Chino Valley, Arizona 86323 - drinking water served from groundwater sources to 600 people, tracked in EPA SDWIS and UCMR5.

600
People served
94
EPA violations
11
Health-based
Untested
UCMR5 result

The verdict

EPA records 94 drinking-water violations at Appaloosa Water Company, 12% of them health-based - below the Arizona per-system average.

94
Total EPA violations on record
12%
Health-based (MCL / treatment failure)
600
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Appaloosa Water Company

Appaloosa Water Company is a private-owned community water system that delivers drinking water to 600 residents in Chino Valley, Arizona (Yavapai County) through 240 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 94 total violations for this system , of which 11 (12%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 65 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 Arsenic, recorded in 15 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%).

Appaloosa Water Company's 94 violations sit below 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
600
Total Violations
94
Health-Based Violations
11
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
240
County
Yavapai
School/Daycare
No
MCL Violations
11
Monitoring Violations
65
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Arsenic MR 15 2024
Consumer Confidence Rule Other 13 2025
Chlorine MR 12 2023
Coliform (TCR) MR 10 2007
Arsenic MCL 10 2014
TTHM MR 4 2021
Total Haloacetic Acids (HAA5) MR 4 2021
cis-1,2-Dichloroethylene MR 1 2001
Xylenes, Total MR 1 2001
DICHLOROMETHANE MR 1 2001
1,1-Dichloroethylene MR 1 2001
trans-1,2-Dichloroethylene MR 1 2001
Coliform (TCR) MCL 1 2000
Carbon tetrachloride MR 1 2001
1,2-Dichloropropane MR 1 2001
1,1,2-Trichloroethane MR 1 2001
Benzene MR 1 2001
Ethylbenzene MR 1 2001
Styrene MR 1 2001
Trichloroethylene MR 1 2001
Toluene MR 1 2001
CHLOROBENZENE MR 1 2001
p-Dichlorobenzene MR 1 2001
1,2-Dichloroethane MR 1 2001
1,2,4-Trichlorobenzene MR 1 2001
o-Dichlorobenzene MR 1 2001
1,1,1-Trichloroethane MR 1 2001
Tetrachloroethylene MR 1 2001

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 Appaloosa Water Company.

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 AZ0413208 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 Appaloosa Water Company 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 13 SDWIS / AZ0413208 / 7000
2024 Arsenic MR 15 SDWIS / AZ0413208 / 1005
2023 Chlorine MR 12 SDWIS / AZ0413208 / 0999
2021 TTHM MR 4 SDWIS / AZ0413208 / 2950
2021 Total Haloacetic Acids (HAA5) MR 4 SDWIS / AZ0413208 / 2456
2014 Arsenic MCL 10 SDWIS / AZ0413208 / 1005
2007 Coliform (TCR) MR 10 SDWIS / AZ0413208 / 3100
2001 cis-1,2-Dichloroethylene MR 1 SDWIS / AZ0413208 / 2380
2001 Xylenes, Total MR 1 SDWIS / AZ0413208 / 2955
2001 DICHLOROMETHANE MR 1 SDWIS / AZ0413208 / 2964
2001 1,1-Dichloroethylene MR 1 SDWIS / AZ0413208 / 2977
2001 trans-1,2-Dichloroethylene MR 1 SDWIS / AZ0413208 / 2979
2001 Carbon tetrachloride MR 1 SDWIS / AZ0413208 / 2982
2001 1,2-Dichloropropane MR 1 SDWIS / AZ0413208 / 2983
2001 1,1,2-Trichloroethane MR 1 SDWIS / AZ0413208 / 2985

How Appaloosa Water Company Compares

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

Metric Appaloosa Water Company Arizona avg Federal benchmark
Total violations 94 153.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 11 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 600 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 Appaloosa Water Company water safe to drink? ▼
Appaloosa Water Company (PWS ID: AZ0413208) has 94 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 600 people using Groundwater sources.
How many people does Appaloosa Water Company serve? ▼
Appaloosa Water Company serves 600 people in Chino Valley, Arizona. It is a Private-owned system using Groundwater water sources with 240 service connections.
What type of violations does Appaloosa Water Company have? ▼
Appaloosa Water Company has 94 total violations: 11 health-based violations (MCL exceedances or treatment failures), 65 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Appaloosa Water Company water? ▼
No PFAS testing data is available for Appaloosa Water Company under the EPA's UCMR5 monitoring program.
What water source does Appaloosa Water Company use? ▼
Appaloosa Water Company 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.