Is Ash Fork, AZ Tap Water Safe to Drink?
Graded B, with 17 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
79.6/100
Ash Fork, AZ — Water Quality Report
Ash Fork's drinking water received a grade of B (79.6 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,250 residents using groundwater.
Lead levels were measured at 0.0 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 89 violations on record, including 3 health-based violations. 17 remain unresolved.
What to know about Ash Fork's water
Ash Fork ranks #119 out of 292 cities in Arizona for water quality, placing it mid-range in the state.
Ash Fork 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, Ash Fork may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 7 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Ash Fork, AZ water safe to drink?
Ash Fork's drinking water has significant quality concerns based on EPA testing data. With a grade of B (79.6/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,250 residents using groundwater (wells).
Recent water quality updates for Ash Fork
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Ash Fork's water quality assessment. Grade: B (79.6/100).
Contaminants: Chlorine.
Contaminants: Chlorine.
Contaminants: Chlorine.
Federal disaster declaration (FEMA DR-3241). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-977). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Ash Fork's water supply.
Well within EPA limits.
Violation history
Ash Fork's water system has 89 total violations on record, including 3 health-based violations. 17 remain unresolved. 7 violations were issued in the last 5 years.
Flood & environmental risk
Yavapai County has experienced 6 federally declared disasters since 1978. 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 Ash Fork's water come from?
Ash Fork's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,250 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Ash Fork residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Ash Fork'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.
Ash Fork'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
Drought conditions
D2 — severe droughtYavapai County is currently in D2 (severe drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
Yavapai County has experienced 6 federally declared disasters since 1978. 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. | 0.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Ash Fork compares by contaminant
Explore where Ash Fork ranks among all Arizona cities for specific contaminants.
Water source & infrastructure
Where Ash Fork's water comes from
Ash Fork'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 private ownership and serves approximately 2,250 people through 1 water system.
Water systems serving Ash Fork
| System Name | PWSID | Population | Source |
|---|---|---|---|
| ASH FORK WATER SERVICE | AZ0413008 | 2,250 | GW |
How Ash Fork compares
Full Arizona rankings →Ash Fork's score of 79.6/100 is above the average of 42/100 among major Arizona cities. It outscores 10 of 10 nearby cities.
Nearby cities
View Arizona rankings →About Ash Fork, AZ
Wikipedia →Ash Fork is a census-designated place in Yavapai County, Arizona, United States. Its population was 396 at the 2010 U.S. census, down from 457 in 2000.
Learn more about your water
Guides and resources related to Ash Fork's water quality findings.
Explore water quality across Yavapai
Frequently asked questions
Is Ash Fork, AZ tap water safe to drink?
Ash Fork's water quality earned a grade of B (79.6/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #119 out of 292 cities tested in Arizona.
What contaminants are in Ash Fork's water?
Lead was measured at 0.0 ppb (90th percentile). 89 violations are on record.
How is Ash Fork'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 Ash Fork?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Ash Fork's water come from?
Ash Fork's water is sourced from Groundwater. The city has 1 water system serving approximately 2,250 residents.
What health violations has Ash Fork's water system had?
Ash Fork has 3 health-based violations on record. The most recent violation was recorded in March 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 17 violations remain unresolved.
Is Ash Fork's groundwater at risk of contamination?
Ash Fork 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 89 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 Ash Fork's water compare to other cities?
Ash Fork ranks #119 out of 292 cities in Arizona (better than 59% of state cities) and #8198 out of 15744 cities nationally (48th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Ash Fork's small water system affect quality?
Ash Fork's system serves approximately 2,250 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 89 violations on record.