PlainWater
States → Arizona

Community Water System · PWS AZ0413106

Cottonwood Municipal Water Vv6

Cottonwood, Arizona 86326 - drinking water served from groundwater sources to 4,509 people, tracked in EPA SDWIS and UCMR5.

4,509
People served
590
EPA violations
70
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 590 drinking-water violations at Cottonwood Municipal Water Vv6, 12% of them health-based - above the Arizona per-system average.

590
Total EPA violations on record
12%
Health-based (MCL / treatment failure)
4,509
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Cottonwood Municipal Water Vv6

Cottonwood Municipal Water Vv6 is a public/private-owned community water system that delivers drinking water to 4,509 residents in Cottonwood, Arizona (Yavapai County) through 1,830 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 590 total violations for this system , of which 70 (12%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 501 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Arsenic, recorded in 66 violations (MCL, health-based). 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%).

Cottonwood Municipal Water Vv6's 590 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
4,509
Total Violations
590
Health-Based Violations
70
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Public/Private
Connections
1,830
County
Yavapai
School/Daycare
No
MCL Violations
70
Monitoring Violations
501
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Arsenic MCL 66 2019
Arsenic MR 58 2020
Nitrate MR 28 2024
Chlorine MR 22 2021
Consumer Confidence Rule Other 8 2014
TTHM MR 8 2024
Total Haloacetic Acids (HAA5) MR 8 2024
Carbon tetrachloride MR 6 1998
1,2-Dichloropropane MR 6 1998
1,1,2-Trichloroethane MR 6 1998
Tetrachloroethylene MR 6 1998
Benzene MR 6 1998
Toluene MR 6 1998
Ethylbenzene MR 6 1998
Styrene MR 6 1998
1,2,4-Trichlorobenzene MR 6 1998
cis-1,2-Dichloroethylene MR 6 1998
Xylenes, Total MR 6 1998
o-Dichlorobenzene MR 6 1998
1,1-Dichloroethylene MR 6 1998
trans-1,2-Dichloroethylene MR 6 1998
Fluoride MR 6 1998
1,1,1-Trichloroethane MR 6 1998
CHLOROBENZENE MR 6 1998
Mercury MR 6 1998
1,2-Dichloroethane MR 6 1998
Antimony, Total MR 6 1998
Beryllium, Total MR 6 1998
DICHLOROMETHANE MR 6 1998
Thallium, Total MR 6 1998

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 323 samples detected PFAS.

Contaminant Date Result MRL Status
PFHxS 9/9/2025 <3.00 ppt 3.00 ppt Not Detected
ADONA 9/9/2025 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 9/9/2025 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 9/9/2025 <5.00 ppt 5.00 ppt Not Detected
PFHxA 9/9/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 9/9/2025 <3.00 ppt 3.00 ppt Not Detected
PFDA 9/9/2025 <3.00 ppt 3.00 ppt Not Detected
PFOA 9/9/2025 <4.00 ppt 4.00 ppt Not Detected
PFBS 9/9/2025 <3.00 ppt 3.00 ppt Not Detected
PFNA 9/9/2025 <4.00 ppt 4.00 ppt Not Detected
PFHpA 9/9/2025 <3.00 ppt 3.00 ppt Not Detected
PFBA 9/9/2025 <5.00 ppt 5.00 ppt Not Detected
PFUnA 9/9/2025 <2.00 ppt 2.00 ppt Not Detected
PFOS 9/9/2025 <4.00 ppt 4.00 ppt Not Detected
NMeFOSAA 9/9/2025 <6.00 ppt 6.00 ppt Not Detected
PFTA 9/9/2025 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 9/9/2025 <7.00 ppt 7.00 ppt Not Detected
HFPO-DA 9/9/2025 <5.00 ppt 5.00 ppt Not Detected
NEtFOSAA 9/9/2025 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 9/9/2025 <5.00 ppt 5.00 ppt Not Detected
PFHpS 9/9/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeS 9/9/2025 <4.00 ppt 4.00 ppt Not Detected
PFEESA 9/9/2025 <3.00 ppt 3.00 ppt Not Detected
PFMBA 9/9/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeA 9/9/2025 <3.00 ppt 3.00 ppt Not Detected
PFMPA 9/9/2025 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 9/9/2025 <5.00 ppt 5.00 ppt Not Detected
NFDHA 9/9/2025 <20.00 ppt 20.00 ppt Not Detected
4:2 FTS 9/9/2025 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 9/9/2025 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 9/9/2025 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 9/9/2025 <7.00 ppt 7.00 ppt Not Detected
PFTA 9/9/2025 <8.00 ppt 8.00 ppt Not Detected
4:2 FTS 9/9/2025 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 9/9/2025 <2.00 ppt 2.00 ppt Not Detected
PFHpS 9/9/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeS 9/9/2025 <4.00 ppt 4.00 ppt Not Detected
6:2 FTS 9/9/2025 <5.00 ppt 5.00 ppt Not Detected
PFBA 9/9/2025 <5.00 ppt 5.00 ppt Not Detected
PFHxA 9/9/2025 <3.00 ppt 3.00 ppt Not Detected
ADONA 9/9/2025 <3.00 ppt 3.00 ppt Not Detected
PFBS 9/9/2025 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 9/9/2025 <5.00 ppt 5.00 ppt Not Detected
NFDHA 9/9/2025 <20.00 ppt 20.00 ppt Not Detected
PFEESA 9/9/2025 <3.00 ppt 3.00 ppt Not Detected
PFMBA 9/9/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeA 9/9/2025 <3.00 ppt 3.00 ppt Not Detected
PFOS 9/9/2025 <4.00 ppt 4.00 ppt Not Detected
HFPO-DA 9/9/2025 <5.00 ppt 5.00 ppt Not Detected
PFMPA 9/9/2025 <4.00 ppt 4.00 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 Cottonwood Municipal Water Vv6.

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 AZ0413106 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 Cottonwood Municipal Water Vv6 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
2024 Nitrate MR 28 SDWIS / AZ0413106 / 1040
2024 TTHM MR 8 SDWIS / AZ0413106 / 2950
2024 Total Haloacetic Acids (HAA5) MR 8 SDWIS / AZ0413106 / 2456
2021 Chlorine MR 22 SDWIS / AZ0413106 / 0999
2020 Arsenic MR 58 SDWIS / AZ0413106 / 1005
2019 Arsenic MCL 66 SDWIS / AZ0413106 / 1005
2017 Revised Total Coliform Rule RPT 2 SDWIS / AZ0413106 / 8000
2014 Consumer Confidence Rule Other 8 SDWIS / AZ0413106 / 7000
2014 Coliform (TCR) MR 6 SDWIS / AZ0413106 / 3100
2006 Lead and Copper Rule MR 4 SDWIS / AZ0413106 / 5000
2005 Coliform (TCR) MCL 4 SDWIS / AZ0413106 / 3100
1998 Carbon tetrachloride MR 6 SDWIS / AZ0413106 / 2982
1998 1,2-Dichloropropane MR 6 SDWIS / AZ0413106 / 2983
1998 1,1,2-Trichloroethane MR 6 SDWIS / AZ0413106 / 2985
1998 Tetrachloroethylene MR 6 SDWIS / AZ0413106 / 2987

How Cottonwood Municipal Water Vv6 Compares

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

Metric Cottonwood Municipal Water Vv6 Arizona avg Federal benchmark
Total violations 590 153.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 70 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 4,509 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 Cottonwood Municipal Water Vv6 water safe to drink? ▼
Cottonwood Municipal Water Vv6 (PWS ID: AZ0413106) has 590 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 4,509 people using Groundwater sources.
How many people does Cottonwood Municipal Water Vv6 serve? ▼
Cottonwood Municipal Water Vv6 serves 4,509 people in Cottonwood, Arizona. It is a Public/Private-owned system using Groundwater water sources with 1,830 service connections.
What type of violations does Cottonwood Municipal Water Vv6 have? ▼
Cottonwood Municipal Water Vv6 has 590 total violations: 70 health-based violations (MCL exceedances or treatment failures), 501 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Cottonwood Municipal Water Vv6 water? ▼
No. Cottonwood Municipal Water Vv6 was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Cottonwood Municipal Water Vv6 use? ▼
Cottonwood Municipal Water Vv6 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.