Is Shungopavi, AZ Tap Water Safe to Drink?
Graded D+, with 20 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
50/100
Shungopavi, AZ — Water Quality Report
Shungopavi's drinking water received a grade of D+ (50 out of 100), indicating poor water quality. The city's 1 water system serves approximately 1,756 residents using purchased ground water.
Lead levels were measured at 0.6 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 378 violations on record, including 58 health-based violations. 20 remain unresolved.
What to know about Shungopavi's water
Shungopavi ranks #191 out of 292 cities in Arizona for water quality, placing it below average in the state.
Shungopavi purchases its water from a regional wholesaler, meaning quality depends on both the supplier's treatment and the local distribution system's condition.
As a small community water system, Shungopavi may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 34 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Shungopavi, AZ water safe to drink?
Shungopavi's drinking water has significant quality concerns based on EPA testing data. With a grade of D+ (50/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,756 residents using groundwater (wells).
Recent water quality updates for Shungopavi
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Shungopavi's water quality assessment. Grade: D+ (50/100).
Contaminants: Revised Total Coliform Rule, Public Notice.
1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.
1 health-based. Contaminants: Arsenic.
Federal disaster declaration (FEMA DR-4620). Flood event — may have impacted local water infrastructure.
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 Shungopavi's water supply.
Well within EPA limits.
Violation history
Shungopavi's water system has 378 total violations on record, including 58 health-based violations. 20 remain unresolved. 34 violations were issued in the last 5 years.
Flood & environmental risk
Navajo County has experienced 8 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.
Where does Shungopavi's water come from?
Shungopavi's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,756 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Shungopavi residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Shungopavi's water.
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.
Shungopavi'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.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Flood & disaster history
Navajo County has experienced 8 federally declared disasters since 1970. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 0.6 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Shungopavi compares by contaminant
Explore where Shungopavi ranks among all Arizona cities for specific contaminants.
Water source & infrastructure
Where Shungopavi's water comes from
Shungopavi purchases its water supply from a regional wholesale provider rather than treating raw water directly.
Water quality depends on both the wholesaler's treatment standards and the condition of Shungopavi's local distribution pipes and storage facilities.
Purchased water systems are common in suburban areas and smaller communities that lack the infrastructure for independent treatment.
The system is operated by native american ownership and serves approximately 1,756 people through 1 water system.
Water systems serving Shungopavi
| System Name | PWSID | Population | Source |
|---|---|---|---|
| Shungopavi | 090400259 | 1,756 | GWP |
How Shungopavi compares
Full Arizona rankings →Shungopavi's score of 50/100 is above the average of 42/100 among major Arizona cities. It outscores 9 of 10 nearby cities.
Nearby cities
View Arizona rankings →Learn more about your water
Guides and resources related to Shungopavi's water quality findings.
Frequently asked questions
Is Shungopavi, AZ tap water safe to drink?
Shungopavi's water quality earned a grade of D+ (50/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #191 out of 292 cities tested in Arizona.
What contaminants are in Shungopavi's water?
Lead was measured at 0.6 ppb (90th percentile). 378 violations are on record.
How is Shungopavi'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 Shungopavi?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Shungopavi's water come from?
Shungopavi's water is sourced from Purchased ground water. The city has 1 water system serving approximately 1,756 residents.
What health violations has Shungopavi's water system had?
Shungopavi has 58 health-based violations on record. The most recent violation was recorded in August 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 20 violations remain unresolved.
Is Shungopavi's groundwater at risk of contamination?
Shungopavi 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 378 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 Shungopavi's water compare to other cities?
Shungopavi ranks #191 out of 292 cities in Arizona (better than 35% of state cities) and #13135 out of 15744 cities nationally (17th percentile). The grade of D+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Shungopavi's small water system affect quality?
Shungopavi's system serves approximately 1,756 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 378 violations on record.