WaterVerge

Is Klagetoh, South Ganado, Wide Ruins, AZ Tap Water Safe to Drink?

Graded A, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

971 residents served 1 water system PWSID: NN0403026
Overall Score
92.6 / 100
Violations
3 active
Last Updated
May 2026
Source
Groundwater
#20 of 292 in Arizona Top 8% nationally
Native American
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
92.6/100
waterverge.com
A 92.6/100

Klagetoh, South Ganado, Wide Ruins, AZ — Water Quality Report

Klagetoh, South Ganado, Wide Ruins's drinking water received a grade of A (92.6 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 971 residents using groundwater.

Lead levels were measured at 2.5 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 70 violations on record, including 2 health-based violations. 3 remain unresolved.

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

What to know about Klagetoh, South Ganado, Wide Ruins's water

Klagetoh, South Ganado, Wide Ruins ranks #20 out of 292 cities in Arizona for water quality, placing it one of the best in the state.

Klagetoh, South Ganado, Wide Ruins 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.

As a small community water system, Klagetoh, South Ganado, Wide Ruins may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
92.6 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
40.6/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 2.5 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Klagetoh, South Ganado, Wide Ruins, AZ water safe to drink?

Concerns Identified

Klagetoh, South Ganado, Wide Ruins's drinking water has significant quality concerns based on EPA testing data. With a grade of A (92.6/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 971 residents using groundwater (wells).

3
Active Violations
2.5 ppb
Lead (90th %ile)
6 events
Disaster History

Recent water quality updates for Klagetoh, South Ganado, Wide Ruins

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Klagetoh, South Ganado, Wide Ruins's water quality assessment. Grade: A (92.6/100).

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: TTHM, Total Haloacetic Acids (HAA5).

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Coliform (TCR).

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 Klagetoh, South Ganado, Wide Ruins's water supply.

Lead Within Limits
Detected: 2.5 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Klagetoh, South Ganado, Wide Ruins's water system has 70 total violations on record, including 2 health-based violations. 3 remain unresolved.

MROtherMCL
Most recent violations:
Jan 2020 TTHM Resolved
Jan 2020 Total Haloacetic Acids (HAA5) Resolved
Apr 2016 Revised Total Coliform Rule Open
Apr 2014 Coliform (TCR) Resolved
Nov 2013 Coliform (TCR) 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 Klagetoh, South Ganado, Wide Ruins's water come from?

Klagetoh, South Ganado, Wide Ruins's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 971 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Klagetoh, South Ganado, Wide Ruins residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Klagetoh, South Ganado, Wide Ruins'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

Klagetoh, South Ganado, Wide Ruins'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
2.5 ppb
EPA Action Level: 15 ppb · 17% of limit
Safe Level
Compliance Record

Violation summary

70
Total violations
2
Health-based
3
Active / unresolved
Jan 2020
Most recent violation
Compliance Record

Violations & advisories

70 Total
3 Active
2 Health-based
67 Resolved
Violations by category
Synthetic Organic Chemicals
36
Volatile Organic Chemicals
21
Total Coliform Rule
6
Stage 2 Disinfectants and Disinfection Byproducts Rule
3
Revised Total Coliform Rule
1
Apr 2016 Active
Revised Total Coliform Rule
Other Violation 0
Oct 2013 Active
Stage 2 Disinfectants and Disinfection Byproducts Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Jan 2020 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2020
Jan 2020 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2020
Apr 2014 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2014
Nov 2013 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 2013
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 2010 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 2010
Jan 2008 Resolved
Total Polychlorinated Biphenyls (PCB)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2010
Jan 2008 Resolved
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2010
Jan 2008 Resolved
ETHYLENE DIBROMIDE
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2010
Jan 2007 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2007
Oct 2006 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Oct 2006
Jan 2004 Resolved
Endrin
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Jan 2004 Resolved
Methoxychlor
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Jan 2004 Resolved
Endothall
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Jan 2004 Resolved
Glyphosate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Jan 2004 Resolved
Di(2-ethylhexyl) adipate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2004
Showing 20 of 70 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

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 2.5 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has increased by 0.5 ppb from 1993 (2.0 ppb) to 2022 (2.5 ppb).
Contaminant Rankings

See how Klagetoh, South Ganado, Wide Ruins compares by contaminant

Explore where Klagetoh, South Ganado, Wide Ruins ranks among all Arizona cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Native American
Population Served
971
Water Systems
1
Water Source

Where Klagetoh, South Ganado, Wide Ruins's water comes from

Groundwater

Klagetoh, South Ganado, Wide Ruins'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 971 people through 1 water system.

Infrastructure

Water systems serving Klagetoh, South Ganado, Wide Ruins

System Name PWSID Population Source
Klagetoh NTUA NN0403026 971 GW
Regional Comparison

How Klagetoh, South Ganado, Wide Ruins compares

Full Arizona rankings →

Klagetoh, South Ganado, Wide Ruins's score of 92.6/100 is above the average of 42/100 among major Arizona cities. It outscores 10 of 10 nearby cities.

Klagetoh, South Ganado, Wide Ruins (this city)
92.6
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 Klagetoh, South Ganado, Wide Ruins, AZ tap water safe to drink?

Klagetoh, South Ganado, Wide Ruins's water quality earned a grade of A (92.6/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #20 out of 292 cities tested in Arizona.

What contaminants are in Klagetoh, South Ganado, Wide Ruins's water?

Lead was measured at 2.5 ppb (90th percentile). 70 violations are on record.

How is Klagetoh, South Ganado, Wide Ruins'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 Klagetoh, South Ganado, Wide Ruins?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Klagetoh, South Ganado, Wide Ruins's water come from?

Klagetoh, South Ganado, Wide Ruins's water is sourced from Groundwater. The city has 1 water system serving approximately 971 residents.

What health violations has Klagetoh, South Ganado, Wide Ruins's water system had?

Klagetoh, South Ganado, Wide Ruins has 2 health-based violations on record. The most recent violation was recorded in January 2020. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.

Is Klagetoh, South Ganado, Wide Ruins's groundwater at risk of contamination?

Klagetoh, South Ganado, Wide Ruins 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 70 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 Klagetoh, South Ganado, Wide Ruins's water compare to other cities?

Klagetoh, South Ganado, Wide Ruins ranks #20 out of 292 cities in Arizona (better than 93% of state cities) and #1184 out of 15744 cities nationally (93th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Klagetoh, South Ganado, Wide Ruins's small water system affect quality?

Klagetoh, South Ganado, Wide Ruins's system serves approximately 971 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 70 violations on record.