WaterVerge

Is Ak-Chin Village, AZ Tap Water Safe to Drink?

Graded A-, with 4 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

12K residents served 1 water system PWSID: 090400090
Overall Score
85.5 / 100
Violations
4 active
Last Updated
May 2026
Source
Surface water
#84 of 292 in Arizona Top 34% nationally
Native American
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
85.5/100
waterverge.com
A- 85.5/100

Ak-Chin Village, AZ — Water Quality Report

Ak-Chin Village's drinking water received a grade of A- (85.5 out of 100), indicating good water quality. The city's 1 water system serves approximately 11,646 residents using surface water.

Lead levels were measured at 1.0 ppb (90th percentile), well within EPA limits. UCMR 5 testing detected 2 PFAS compounds in the water supply.

The system has 43 violations on record, including 10 health-based violations. 4 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Ak-Chin Village's water

Ak-Chin Village ranks #84 out of 292 cities in Arizona for water quality, placing it mid-range in the state.

The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.

PFAS compounds were detected in testing, though levels remain within current EPA limits. Residents seeking extra precaution may consider an activated carbon or reverse osmosis filter.

Quality Breakdown

Water quality score

See methodology →
85.5 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
37.3/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.0 ppb (90th percentile).
Contaminants
16.2/20
B
2 PFAS compounds detected.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Ak-Chin Village, AZ water safe to drink?

Concerns Identified

Ak-Chin Village's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (85.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 11,646 residents using surface water (rivers, lakes, or reservoirs).

4
Active Violations
1.0 ppb
Lead (90th %ile)
2 compounds
PFAS Detected
7 events
Disaster History

Recent water quality updates for Ak-Chin Village

A timeline of significant water quality events, violations, and data updates.

PFAS
2 PFAS "forever chemical" compounds detected

Detected at levels within current EPA limits. PFAS persist indefinitely in the environment.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Ak-Chin Village's water quality assessment. Grade: A- (85.5/100).

Violation
2 drinking water violations recorded

Contaminants: Public Notice, Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
2 drinking water violations recorded

Contaminants: Total Haloacetic Acids (HAA5), TTHM.

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3241). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

Based on the most recent EPA sampling data for Ak-Chin Village's water supply.

Lead Within Limits
Detected: 1.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

PFAS (2 compounds) Elevated
Detected: Highest: lithium at 90.8000 µg/L Limit: 0.004 µg/L (EPA MCL)

Detected but within current EPA limits. PFAS do not break down in the environment and can accumulate in the body over time. An activated carbon filter can reduce exposure.

PFAS "forever chemicals" detected

UCMR 5 testing found 2 PFAS compounds in Ak-Chin Village's water supply. PFAS are synthetic chemicals that persist indefinitely in the environment and the human body.

Compound Level EPA MCL Status
lithium 90.8000 µg/L 0.004 µg/L Within Limit
PFHxA 0.0030 µg/L 0.004 µg/L Within Limit

Violation history

Ak-Chin Village's water system has 43 total violations on record, including 10 health-based violations. 4 remain unresolved. 3 violations were issued in the last 5 years.

OtherMONMRTTMCL
Most recent violations:
Aug 2024 Public Notice Open
Aug 2024 Revised Total Coliform Rule Resolved
Sep 2023 Lead and Copper Rule Open
Jul 2020 Total Haloacetic Acids (HAA5) Resolved
Jul 2020 TTHM Resolved

Flood & environmental risk

Pinal County has experienced 7 federally declared disasters since 1966. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Gila River.

HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3241
SEVERE STORMS, TORNADOES & FLOODING
Flood FEMA DR-977
SEVERE STORMS & FLOODING
Flood FEMA DR-884

Where does Ak-Chin Village's water come from?

Ak-Chin Village's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 11,646 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Gila River (river).

What Ak-Chin Village residents can do

Install a water filter

Recommended: Activated carbon or reverse osmosis filter. This addresses the specific contaminants found in Ak-Chin Village's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Monitor alerts during storms

Ak-Chin Village's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
1.0 ppb
EPA Action Level: 15 ppb · 7% of limit
Safe Level
lithium
PFAS / Forever Chemical
Near MCL
90.8000 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
HAA5 (Disinfection Byproducts)
Disinfection Byproduct
Safe
17.6 µg/L
EPA MCL: 60 µg/L · 29% of limit
Within LimitUCMR 4 DataHAA6Br: 29.8 µg/LHAA9: 32.2 µg/L
Manganese
Inorganic
Detected
1.4 µg/L
EPA Secondary MCL: 50 µg/L · 3% of limit
DetectedUCMR 4 Data
Lithium
Inorganic
Above state screening
90.8 µg/L
State screening level: 60 µg/L · +20% over limit
DetectedNo federal MCLUCMR 5 Data (2023–2025)
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
2
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

43
Total violations
10
Health-based
4
Active / unresolved
Aug 2024
Most recent violation
Compliance Record

Violations & advisories

43 Total
4 Active
10 Health-based
39 Resolved
1 SNC
Violations by category
Total Coliform Rule
20
Nitrate Rule
9
Radionuclides and Revised Rad Rule
4
Stage 2 Disinfectants and Disinfection Byproducts Rule
2
Public Notice Rule and Revised PN Rule
1
Aug 2024 Active
Public Notice
Other Violation 0
Sep 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2002 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Aug 2024 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Aug 2024
Jul 2020 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2020
Jul 2020 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2020
Jul 2017 Resolved
Interim Enhanced Surface Water Treatment Rule
Treatment Technique
SNC Health Resolved Jul 2017
Apr 2013 Resolved
Combined Radium (-226 and -228)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2013
Apr 2013 Resolved
Combined Uranium
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2013
Jan 2013 Resolved
Combined Uranium
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2013
Jan 2012 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jan 2012
Oct 2011 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2011
Jul 2011 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2011
Apr 2010 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2010
Oct 2009 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2009
Jul 2009 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 2009
Jun 2009 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jun 2009
Jan 2006 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2006
Jan 2005 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2005
Showing 20 of 43 violations
Industrial pollution

Top industrial polluters within 10 miles of Ak-Chin Village

Industrial polluters nearby

Reported releases to surface water by facilities near Ak-Chin Village, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
CALPORTLAND MARICOPA PLANT
Nonmetallic Mineral Product · TAIHEIYO CEMENT USA INC
MARICOPA, AZ85239
8.4 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Flood & disaster history

7
Declared disasters
Sep 2005
Most recent
Flood
Most common type

Pinal County has experienced 7 federally declared disasters since 1966. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3241
Jan 1993
SEVERE STORMS, TORNADOES & FLOODING
Flood FEMA #977
Dec 1990
SEVERE STORMS & FLOODING
Flood FEMA #884
Oct 1983
SEVERE STORMS & FLOODING
Flood FEMA #691
Nov 1977
SEVERE STORMS & FLOODING
Flood FEMA #540
Jul 1972
SEVERE STORMS & FLOODING
Flood FEMA #343

Recommended water filters

Based on contaminants detected in Ak-Chin Village's water supply, we recommend the following filter types.

🧪
For PFAS
Reverse Osmosis or Activated Carbon Block
2 PFAS compounds detected

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.0 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium 90.800 HI µg/L PFAS Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA 0.003 HI µg/L PFAS Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 1.5 ppb from 1996 (2.5 ppb) to 2025 (1.0 ppb).
Contaminant Rankings

See how Ak-Chin Village compares by contaminant

Explore where Ak-Chin Village ranks among all Arizona cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Native American
Population Served
11,646
Water Systems
1
Water Source

Where Ak-Chin Village's water comes from

Surface Water

Ak-Chin Village's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.

These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.

The system is operated by native american ownership and serves approximately 11,646 people through 1 water system.

Local Hydrology

Water bodies near Ak-Chin Village

Ak-Chin Village is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Gila River
river
Infrastructure

Water systems serving Ak-Chin Village

System Name PWSID Population Source
Ak-Chin Village 090400090 11,646 SW
Regional Comparison

How Ak-Chin Village compares

Full Arizona rankings →

Ak-Chin Village's score of 85.5/100 is above the average of 42/100 among major Arizona cities. It outscores 10 of 10 nearby cities.

Ak-Chin Village (this city)
85.5
Phoenix
37.5
Tucson
38.1
Mesa
40.6
Chandler
40.5
Gilbert
34.8
Arizona avg
42
City Profile

About Ak-Chin Village, AZ

Wikipedia →

Maricopa is a city in the Gila River Valley in Pinal County, Arizona, United States. With 76,654 residents as of 2024, Maricopa is the largest incorporated municipality in Pinal County.

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Frequently asked questions

Is Ak-Chin Village, AZ tap water safe to drink?

Ak-Chin Village's water quality earned a grade of A- (85.5/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #84 out of 292 cities tested in Arizona.

What contaminants are in Ak-Chin Village's water?

Lead was measured at 1.0 ppb (90th percentile). 2 PFAS compounds were detected. 43 violations are on record.

How is Ak-Chin Village's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Ak-Chin Village?

PFAS compounds have been detected. A filter with activated carbon can help reduce exposure.

Where does Ak-Chin Village's water come from?

Ak-Chin Village's water is sourced from Surface water. The city has 1 water system serving approximately 11,646 residents.

What health violations has Ak-Chin Village's water system had?

Ak-Chin Village has 10 health-based violations on record. The most recent violation was recorded in August 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 4 violations remain unresolved.

How does Ak-Chin Village's water compare to other cities?

Ak-Chin Village ranks #84 out of 292 cities in Arizona (better than 71% of state cities) and #5265 out of 15744 cities nationally (67th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.