PlainWater
States → Arizona

OAK CREEK VALLEY

PWS ID: AZ0413121 · CLARKDALE, Arizona 86324

OAK CREEK VALLEY serves 450 people in CLARKDALE, Arizona using Groundwater water sources. It has 130 recorded EPA violations, including 17 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: OAK CREEK VALLEY

OAK CREEK VALLEY is a private-owned community water system that delivers drinking water to 450 residents in CLARKDALE, Arizona (Yavapai County) through 160 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 130 total violations for this system , of which 17 (13%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 105 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Arsenic, recorded in 24 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. OAK CREEK VALLEY's 130 violations sit below 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
450
Total Violations
130
Health-Based Violations
17
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
160
County
Yavapai
School/Daycare
No
MCL Violations
17
Monitoring Violations
105
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Arsenic MR 24 2012
Arsenic MCL 16 2018
Coliform (TCR) MR 12 2010
Xylenes, Total MR 11 2008
Nitrate MR 8 2006
Lead and Copper Rule MR 8 2019
Consumer Confidence Rule Other 5 2010
cis-1,2-Dichloroethylene MR 2 1999
DICHLOROMETHANE MR 2 1999
o-Dichlorobenzene MR 2 1999
p-Dichlorobenzene MR 2 1999
1,1-Dichloroethylene MR 2 1999
trans-1,2-Dichloroethylene MR 2 1999
1,2-Dichloroethane MR 2 1999
1,1,1-Trichloroethane MR 2 1999
Carbon tetrachloride MR 2 1999
1,2-Dichloropropane MR 2 1999
Trichloroethylene MR 2 1999
1,1,2-Trichloroethane MR 2 1999
Benzene MR 2 1999
Toluene MR 2 1999
Styrene MR 2 1999
1,2,4-Trichlorobenzene MR 2 1999
Tetrachloroethylene MR 2 1999
Ethylbenzene MR 2 1999
Revised Total Coliform Rule MON 2 2018
CHLOROBENZENE MR 2 1999
Coliform (TCR) MCL 1 1999
Diquat MR 1 2000
Glyphosate MR 1 2003

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 OAK CREEK VALLEY.

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 AZ0413121 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 OAK CREEK VALLEY 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
2019 Lead and Copper Rule MR 8 SDWIS / AZ0413121 / 5000
2018 Arsenic MCL 16 SDWIS / AZ0413121 / 1005
2018 Revised Total Coliform Rule MON 2 SDWIS / AZ0413121 / 8000
2012 Arsenic MR 24 SDWIS / AZ0413121 / 1005
2010 Coliform (TCR) MR 12 SDWIS / AZ0413121 / 3100
2010 Consumer Confidence Rule Other 5 SDWIS / AZ0413121 / 7000
2008 Xylenes, Total MR 11 SDWIS / AZ0413121 / 2955
2006 Nitrate MR 8 SDWIS / AZ0413121 / 1040
2003 Glyphosate MR 1 SDWIS / AZ0413121 / 2034
2000 Diquat MR 1 SDWIS / AZ0413121 / 2032
1999 cis-1,2-Dichloroethylene MR 2 SDWIS / AZ0413121 / 2380
1999 DICHLOROMETHANE MR 2 SDWIS / AZ0413121 / 2964
1999 o-Dichlorobenzene MR 2 SDWIS / AZ0413121 / 2968
1999 p-Dichlorobenzene MR 2 SDWIS / AZ0413121 / 2969
1999 1,1-Dichloroethylene MR 2 SDWIS / AZ0413121 / 2977

How OAK CREEK VALLEY Compares

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

Metric OAK CREEK VALLEY Arizona avg Federal benchmark
Total violations 130 153.3 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 17 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 450 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 OAK CREEK VALLEY water safe to drink? ▼
OAK CREEK VALLEY (PWS ID: AZ0413121) has 130 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 450 people using Groundwater sources.
How many people does OAK CREEK VALLEY serve? ▼
OAK CREEK VALLEY serves 450 people in CLARKDALE, Arizona. It is a Private-owned system using Groundwater water sources with 160 service connections.
What type of violations does OAK CREEK VALLEY have? ▼
OAK CREEK VALLEY has 130 total violations: 17 health-based violations (MCL exceedances or treatment failures), 105 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in OAK CREEK VALLEY water? ▼
No PFAS testing data is available for OAK CREEK VALLEY under the EPA's UCMR5 monitoring program.
What water source does OAK CREEK VALLEY use? ▼
OAK CREEK VALLEY 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.

Explore PlainWater

Water in Arizona

All systems in state
All States

Water quality by state
Contaminants

PFAS & other pollutants
Guides

Understanding water quality

Related Data for Arizona

Environmental Data → Natural Hazards → Air Quality → Healthcare Access → Climate Data →
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.

Related

Browse all → | Rankings →
Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial