PlainWater
States → Arizona

Community Water System · PWS AZ0413024

Clarkdale Municipal Water System

Clarkdale, Arizona 86324 - drinking water served from groundwater sources to 4,920 people, tracked in EPA SDWIS and UCMR5.

4,920
People served
114
EPA violations
0
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 114 drinking-water violations at Clarkdale Municipal Water System - below the Arizona per-system average.

114
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
4,920
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Clarkdale Municipal Water System

Clarkdale Municipal Water System is a private-owned community water system that delivers drinking water to 4,920 residents in Clarkdale, Arizona (Yavapai County) through 1,981 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 114 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 91 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 Chlorine, recorded in 32 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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%).

Clarkdale Municipal Water System's 114 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
4,920
Total Violations
114
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
1,981
County
Yavapai
School/Daycare
No
MCL Violations
0
Monitoring Violations
91
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 32 2023
Consumer Confidence Rule Other 11 2014
Arsenic MR 11 2018
Coliform (TCR) MR 7 2015
Nitrate MR 6 2008
Revised Total Coliform Rule RPT 4 2023
TTHM MR 3 2011
Total Haloacetic Acids (HAA5) MR 3 2011
Revised Total Coliform Rule MON 2 2016
DICHLOROMETHANE MR 1 2011
o-Dichlorobenzene MR 1 2011
p-Dichlorobenzene MR 1 2011
1,1-Dichloroethylene MR 1 2011
trans-1,2-Dichloroethylene MR 1 2011
1,2-Dichloroethane MR 1 2011
Trichloroethylene MR 1 2011
1,1,2-Trichloroethane MR 1 2011
Toluene MR 1 2011
Ethylbenzene MR 1 2011
Fluoride MR 1 1988
Selenium MR 1 1988
Chromium MR 1 1988
1,2-Dichloropropane MR 1 2011
Benzene MR 1 2011
Carbon tetrachloride MR 1 2011
Cadmium MR 1 1988
1,1,1-Trichloroethane MR 1 2011
Mercury MR 1 1988
cis-1,2-Dichloroethylene MR 1 2011
Tetrachloroethylene MR 1 2011

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 116 samples detected PFAS.

Contaminant Date Result MRL Status
8:2 FTS 8/1/2023 <5.00 ppt 5.00 ppt Not Detected
11Cl-PF3OUdS 8/1/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 8/1/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 8/1/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 8/1/2023 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 8/1/2023 <5.00 ppt 5.00 ppt Not Detected
PFUnA 8/1/2023 <2.00 ppt 2.00 ppt Not Detected
PFTA 8/1/2023 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 8/1/2023 <7.00 ppt 7.00 ppt Not Detected
PFBS 8/1/2023 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 8/1/2023 <6.00 ppt 6.00 ppt Not Detected
PFHpA 8/1/2023 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 8/1/2023 <5.00 ppt 5.00 ppt Not Detected
PFNA 8/1/2023 <4.00 ppt 4.00 ppt Not Detected
ADONA 8/1/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 8/1/2023 <2.00 ppt 2.00 ppt Not Detected
PFDoA 8/1/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 8/1/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 8/1/2023 <4.00 ppt 4.00 ppt Not Detected
PFDA 8/1/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 8/1/2023 <3.00 ppt 3.00 ppt Not Detected
PFMPA 8/1/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpS 8/1/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 8/1/2023 <4.00 ppt 4.00 ppt Not Detected
NFDHA 8/1/2023 <20.00 ppt 20.00 ppt Not Detected
PFEESA 8/1/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 8/1/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 8/1/2023 <3.00 ppt 3.00 ppt Not Detected
PFOS 8/1/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpS 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 7/12/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 7/12/2023 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 7/12/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 7/12/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 7/12/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeA 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
ADONA 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 7/12/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 7/12/2023 <20.00 ppt 20.00 ppt Not Detected
PFBS 7/12/2023 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 7/12/2023 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 7/12/2023 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 7/12/2023 <7.00 ppt 7.00 ppt Not Detected
PFTA 7/12/2023 <8.00 ppt 8.00 ppt Not Detected
PFOS 7/12/2023 <4.00 ppt 4.00 ppt Not Detected
9Cl-PF3ONS 7/12/2023 <2.00 ppt 2.00 ppt Not Detected

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 Clarkdale Municipal Water System.

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 AZ0413024 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 Clarkdale Municipal Water System 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 Chlorine MR 32 SDWIS / AZ0413024 / 0999
2023 Revised Total Coliform Rule RPT 4 SDWIS / AZ0413024 / 8000
2018 Arsenic MR 11 SDWIS / AZ0413024 / 1005
2016 Revised Total Coliform Rule MON 2 SDWIS / AZ0413024 / 8000
2015 Coliform (TCR) MR 7 SDWIS / AZ0413024 / 3100
2014 Consumer Confidence Rule Other 11 SDWIS / AZ0413024 / 7000
2011 TTHM MR 3 SDWIS / AZ0413024 / 2950
2011 Total Haloacetic Acids (HAA5) MR 3 SDWIS / AZ0413024 / 2456
2011 DICHLOROMETHANE MR 1 SDWIS / AZ0413024 / 2964
2011 o-Dichlorobenzene MR 1 SDWIS / AZ0413024 / 2968
2011 p-Dichlorobenzene MR 1 SDWIS / AZ0413024 / 2969
2011 1,1-Dichloroethylene MR 1 SDWIS / AZ0413024 / 2977
2011 trans-1,2-Dichloroethylene MR 1 SDWIS / AZ0413024 / 2979
2011 1,2-Dichloroethane MR 1 SDWIS / AZ0413024 / 2980
2011 Trichloroethylene MR 1 SDWIS / AZ0413024 / 2984

How Clarkdale Municipal Water System Compares

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

Metric Clarkdale Municipal Water System Arizona avg Federal benchmark
Total violations 114 153.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 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 4,920 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 Clarkdale Municipal Water System water safe to drink? ▼
Clarkdale Municipal Water System (PWS ID: AZ0413024) has 114 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 4,920 people using Groundwater sources.
How many people does Clarkdale Municipal Water System serve? ▼
Clarkdale Municipal Water System serves 4,920 people in Clarkdale, Arizona. It is a Private-owned system using Groundwater water sources with 1,981 service connections.
What type of violations does Clarkdale Municipal Water System have? ▼
Clarkdale Municipal Water System has 114 total violations: 0 health-based violations (MCL exceedances or treatment failures), 91 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Clarkdale Municipal Water System water? ▼
No. Clarkdale Municipal Water System was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Clarkdale Municipal Water System use? ▼
Clarkdale Municipal Water System 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). 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.