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MCNEAL WATER COMPANY

PWS ID: AZ0402016 · MCNEAL, Arizona 85617

MCNEAL WATER COMPANY serves 66 people in MCNEAL, Arizona using Groundwater water sources. It has 197 recorded EPA violations, including 3 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: MCNEAL WATER COMPANY

MCNEAL WATER COMPANY is a private-owned community water system that delivers drinking water to 66 residents in MCNEAL, Arizona (Cochise County) through 28 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 197 total violations for this system , of which 3 (2%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 118 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Consumer Confidence Rule, recorded in 50 violations (Other). 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. MCNEAL WATER COMPANY's 197 violations sit above the Arizona average. Statewide, 145 of 152 UCMR5-tested systems have reported PFAS detections (95.4%). 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
66
Total Violations
197
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
28
County
Cochise
School/Daycare
No
MCL Violations
1
Monitoring Violations
118
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 50 2022
Coliform (TCR) MR 18 2014
Lead and Copper Rule MR 17 2023
Chlorine MR 10 2021
Revised Total Coliform Rule MON 8 2021
TTHM MR 6 2023
Revised Total Coliform Rule RPT 6 2023
Total Haloacetic Acids (HAA5) MR 6 2023
Public Notice Other 4 2021
Nitrate MR 3 1999
E. COLI MR 2 2014
o-Dichlorobenzene MR 2 1999
1,1,2-Trichloroethane MR 2 1999
Carbon tetrachloride MR 2 1999
1,2-Dichloropropane MR 2 1999
Benzene MR 2 1999
Ethylbenzene MR 2 1999
Styrene MR 2 1999
1,2,4-Trichlorobenzene MR 2 1999
Xylenes, Total MR 2 1999
1,1-Dichloroethylene MR 2 1999
trans-1,2-Dichloroethylene MR 2 1999
Tetrachloroethylene MR 2 1999
Toluene MR 2 1999
1,1,1-Trichloroethane MR 2 1999
p-Dichlorobenzene MR 2 1999
Trichloroethylene MR 2 1999
Groundwater Rule TT 2 2023
DICHLOROMETHANE MR 2 1999
CHLOROBENZENE MR 2 1999

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 MCNEAL 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 AZ0402016 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 MCNEAL 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
2023 Lead and Copper Rule MR 17 SDWIS / AZ0402016 / 5000
2023 TTHM MR 6 SDWIS / AZ0402016 / 2950
2023 Revised Total Coliform Rule RPT 6 SDWIS / AZ0402016 / 8000
2023 Total Haloacetic Acids (HAA5) MR 6 SDWIS / AZ0402016 / 2456
2023 Groundwater Rule TT 2 SDWIS / AZ0402016 / 0700
2022 Consumer Confidence Rule Other 50 SDWIS / AZ0402016 / 7000
2021 Chlorine MR 10 SDWIS / AZ0402016 / 0999
2021 Revised Total Coliform Rule MON 8 SDWIS / AZ0402016 / 8000
2021 Public Notice Other 4 SDWIS / AZ0402016 / 7500
2014 Coliform (TCR) MR 18 SDWIS / AZ0402016 / 3100
2014 E. COLI MR 2 SDWIS / AZ0402016 / 3014
2000 Coliform (TCR) MCL 1 SDWIS / AZ0402016 / 3100
1999 Nitrate MR 3 SDWIS / AZ0402016 / 1040
1999 o-Dichlorobenzene MR 2 SDWIS / AZ0402016 / 2968
1999 1,1,2-Trichloroethane MR 2 SDWIS / AZ0402016 / 2985

How MCNEAL WATER COMPANY Compares

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

Metric MCNEAL WATER COMPANY Arizona avg Federal benchmark
Total violations 197 153.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 3 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 66 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is MCNEAL WATER COMPANY water safe to drink? ▼
MCNEAL WATER COMPANY (PWS ID: AZ0402016) has 197 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 66 people using Groundwater sources.
How many people does MCNEAL WATER COMPANY serve? ▼
MCNEAL WATER COMPANY serves 66 people in MCNEAL, Arizona. It is a Private-owned system using Groundwater water sources with 28 service connections.
What type of violations does MCNEAL WATER COMPANY have? ▼
MCNEAL WATER COMPANY has 197 total violations: 3 health-based violations (MCL exceedances or treatment failures), 118 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MCNEAL WATER COMPANY water? ▼
No PFAS testing data is available for MCNEAL WATER COMPANY under the EPA's UCMR5 monitoring program.
What water source does MCNEAL WATER COMPANY use? ▼
MCNEAL 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.

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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.

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