WaterVerge

Is Chinle, Many Farms, Del Muerto, AZ Tap Water Safe to Drink?

Graded B+, with 1 unresolved violation on record. See what was cited — and what it means for your tap. What to do next ↓

8K residents served 1 water system PWSID: NN0400174
Overall Score
84 / 100
Violations
1 active
Last Updated
May 2026
Source
Groundwater
#96 of 292 in Arizona Top 39% nationally
Native American
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
84/100
waterverge.com
B+ 84/100

Chinle, Many Farms, Del Muerto, AZ — Water Quality Report

Chinle, Many Farms, Del Muerto's drinking water received a grade of B+ (84 out of 100), indicating good water quality. The city's 1 water system serves approximately 8,458 residents using groundwater.

Lead levels were measured at 1.0 ppb (90th percentile), well within EPA limits. UCMR 5 testing detected 1 PFAS compound in the water supply.

The system has 151 violations on record, including 10 health-based violations. 1 remains unresolved.

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

What to know about Chinle, Many Farms, Del Muerto's water

Chinle, Many Farms, Del Muerto ranks #96 out of 292 cities in Arizona for water quality, placing it mid-range in the state.

Chinle, Many Farms, Del Muerto relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

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 →
84 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
34.7/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.0 ppb (90th percentile).
Contaminants
14.2/20
C
1 PFAS compound detected.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Chinle, Many Farms, Del Muerto, AZ water safe to drink?

Use Caution

Chinle, Many Farms, Del Muerto's tap water meets most EPA standards but has areas that warrant attention. With a grade of B+ (84/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 8,458 residents using groundwater (wells).

1
Active Violations
1.0 ppb
Lead (90th %ile)
1 compound
PFAS Detected
6 events
Disaster History

Recent water quality updates for Chinle, Many Farms, Del Muerto

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

PFAS
1 PFAS "forever chemical" compound 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 Chinle, Many Farms, Del Muerto's water quality assessment. Grade: B+ (84/100).

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4620). Flood event — may have impacted local water infrastructure.

Violation
2 drinking water violations recorded

Contaminants: Total Haloacetic Acids (HAA5), TTHM.

Violation
2 drinking water violations recorded

Contaminants: Beryllium, Total, Cadmium.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Key contaminant findings

Based on the most recent EPA sampling data for Chinle, Many Farms, Del Muerto's water supply.

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

Well within EPA limits.

PFAS (1 compound) Elevated
Detected: Highest: lithium at 37.8000 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.

Violation history

Chinle, Many Farms, Del Muerto's water system has 151 total violations on record, including 10 health-based violations. 1 remain unresolved. 2 violations were issued in the last 5 years.

MRMONMCL
Most recent violations:
Jan 2021 Total Haloacetic Acids (HAA5) Resolved
Jan 2021 TTHM Resolved
Jan 2020 Beryllium, Total Resolved
Jan 2020 Cadmium Resolved
Apr 2017 Revised Total Coliform Rule Resolved

Flood & environmental risk

Apache County has experienced 6 federally declared disasters since 1970. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

SEVERE STORMS AND FLOODING
Flood FEMA DR-4620
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3241
SEVERE STORMS, TORNADOES & FLOODING
Flood FEMA DR-977

Where does Chinle, Many Farms, Del Muerto's water come from?

Chinle, Many Farms, Del Muerto's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 8,458 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Chinle, Many Farms, Del Muerto residents can do

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

Chinle, Many Farms, Del Muerto'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
37.8000 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
Lithium
Inorganic
Detected
37.8 µg/L
State screening level: 60 µg/L · 63% of limit
DetectedNo federal MCLUCMR 5 Data (2023–2025)
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
1
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

151
Total violations
10
Health-based
1
Active / unresolved
Jan 2021
Most recent violation
Compliance Record

Violations & advisories

151 Total
1 Active
10 Health-based
150 Resolved
Violations by category
Volatile Organic Chemicals
63
Synthetic Organic Chemicals
32
Inorganic Chemicals
22
Total Coliform Rule
15
Radionuclides and Revised Rad Rule
6
Active
Compliance Violation
Monitoring 0
Jan 2021 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2021 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2021
Jan 2020 Resolved
Beryllium, Total
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2020
Jan 2020 Resolved
Cadmium
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2020
Apr 2017 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Apr 2017
Mar 2017 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Mar 2017
Feb 2017 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Feb 2017
Jan 2017 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Jan 2017
Jan 2017 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2017
Jan 2017 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2017
Aug 2014 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Aug 2014
Dec 2012 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Nov 2012 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2012
Sep 2011 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 2011
Jan 2011 Resolved
Barium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2013
Jan 2011 Resolved
CYANIDE
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2013
Jan 2011 Resolved
Mercury
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2013
Jan 2011 Resolved
Selenium
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2013
Jan 2011 Resolved
Beryllium, Total
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2013
Showing 20 of 151 violations
Environmental Risk

Flood & disaster history

6
Declared disasters
Sep 2021
Most recent
Flood
Most common type

Apache County has experienced 6 federally declared disasters since 1970. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2021
SEVERE STORMS AND FLOODING
Flood FEMA #4620
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3241
Jan 1993
SEVERE STORMS, TORNADOES & FLOODING
Flood FEMA #977
Oct 1983
SEVERE STORMS & FLOODING
Flood FEMA #691
Mar 1978
SEVERE STORMS & FLOODING
Flood FEMA #551
Sep 1970
HEAVY RAINS & FLASH
Flood FEMA #294

Recommended water filters

Based on contaminants detected in Chinle, Many Farms, Del Muerto's water supply, we recommend the following filter types.

🧪
For PFAS
Reverse Osmosis or Activated Carbon Block
1 PFAS compound 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 37.800 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 ND HI µg/L PFAS Not 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 7.0 ppb from 1993 (8.0 ppb) to 2025 (1.0 ppb).
Contaminant Rankings

See how Chinle, Many Farms, Del Muerto compares by contaminant

Explore where Chinle, Many Farms, Del Muerto ranks among all Arizona cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Native American
Population Served
8,458
Water Systems
1
Water Source

Where Chinle, Many Farms, Del Muerto's water comes from

Groundwater

Chinle, Many Farms, Del Muerto's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by native american ownership and serves approximately 8,458 people through 1 water system.

Infrastructure

Water systems serving Chinle, Many Farms, Del Muerto

System Name PWSID Population Source
Chinle-Many Farms-Del Muerto NTUA NN0400174 8,458 GW
Regional Comparison

How Chinle, Many Farms, Del Muerto compares

Full Arizona rankings →

Chinle, Many Farms, Del Muerto's score of 84/100 is above the average of 42/100 among major Arizona cities. It outscores 10 of 10 nearby cities.

Chinle, Many Farms, Del Muerto (this city)
84
Phoenix
37.5
Tucson
38.1
Mesa
40.6
Chandler
40.5
Gilbert
34.8
Arizona avg
42
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Frequently asked questions

Is Chinle, Many Farms, Del Muerto, AZ tap water safe to drink?

Chinle, Many Farms, Del Muerto's water quality earned a grade of B+ (84/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #96 out of 292 cities tested in Arizona.

What contaminants are in Chinle, Many Farms, Del Muerto's water?

Lead was measured at 1.0 ppb (90th percentile). 1 PFAS compound was detected. 151 violations are on record.

How is Chinle, Many Farms, Del Muerto'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 Chinle, Many Farms, Del Muerto?

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

Where does Chinle, Many Farms, Del Muerto's water come from?

Chinle, Many Farms, Del Muerto's water is sourced from Groundwater. The city has 1 water system serving approximately 8,458 residents.

What health violations has Chinle, Many Farms, Del Muerto's water system had?

Chinle, Many Farms, Del Muerto has 10 health-based violations on record. The most recent violation was recorded in January 2021. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.

Is Chinle, Many Farms, Del Muerto's groundwater at risk of contamination?

Chinle, Many Farms, Del Muerto uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 151 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Chinle, Many Farms, Del Muerto's water compare to other cities?

Chinle, Many Farms, Del Muerto ranks #96 out of 292 cities in Arizona (better than 67% of state cities) and #6129 out of 15744 cities nationally (61th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.