Is Coyote Canyon, Brimhall, Bass Lake, 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 ↓
91.7/100
waterverge.com Coyote Canyon, Brimhall, Bass Lake, AZ — Water Quality Report
Coyote Canyon, Brimhall, Bass Lake's drinking water received a grade of A (91.7 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 622 residents using groundwater.
Lead levels were measured at 1.0 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 51 violations on record, including 0 health-based violations. 3 remain unresolved.
What to know about Coyote Canyon, Brimhall, Bass Lake's water
Coyote Canyon, Brimhall, Bass Lake ranks #42 out of 292 cities in Arizona for water quality, placing it above average in the state.
Coyote Canyon, Brimhall, Bass Lake 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, Coyote Canyon, Brimhall, Bass Lake may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Coyote Canyon, Brimhall, Bass Lake, AZ water safe to drink?
Coyote Canyon, Brimhall, Bass Lake's drinking water has significant quality concerns based on EPA testing data. With a grade of A (91.7/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 622 residents using groundwater (wells).
Recent water quality updates for Coyote Canyon, Brimhall, Bass Lake
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Coyote Canyon, Brimhall, Bass Lake's water quality assessment. Grade: A (91.7/100).
Contaminants: Total Haloacetic Acids (HAA5), TTHM.
Contaminants: Revised Total Coliform Rule.
Contaminants: Stage 2 Disinfectants and Disinfection Byproducts Rule.
Key contaminant findings
Based on the most recent EPA sampling data for Coyote Canyon, Brimhall, Bass Lake's water supply.
Well within EPA limits.
Violation history
Coyote Canyon, Brimhall, Bass Lake's water system has 51 total violations on record, including 0 health-based violations. 3 remain unresolved.
Where does Coyote Canyon, Brimhall, Bass Lake's water come from?
Coyote Canyon, Brimhall, Bass Lake's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 622 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Coyote Canyon, Brimhall, Bass Lake residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Coyote Canyon, Brimhall, Bass Lake'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.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
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. | 1.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Coyote Canyon, Brimhall, Bass Lake compares by contaminant
Explore where Coyote Canyon, Brimhall, Bass Lake ranks among all Arizona cities for specific contaminants.
Water source & infrastructure
Where Coyote Canyon, Brimhall, Bass Lake's water comes from
Coyote Canyon, Brimhall, Bass Lake'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 622 people through 1 water system.
Water systems serving Coyote Canyon, Brimhall, Bass Lake
| System Name | PWSID | Population | Source |
|---|---|---|---|
| Coyote Canyon-Bass Lake NTUA | NN3500274 | 622 | GW |
How Coyote Canyon, Brimhall, Bass Lake compares
Full Arizona rankings →Coyote Canyon, Brimhall, Bass Lake's score of 91.7/100 is above the average of 42/100 among major Arizona cities. It outscores 10 of 10 nearby cities.
Nearby cities
View Arizona rankings →Learn more about your water
Guides and resources related to Coyote Canyon, Brimhall, Bass Lake's water quality findings.
Frequently asked questions
Is Coyote Canyon, Brimhall, Bass Lake, AZ tap water safe to drink?
Coyote Canyon, Brimhall, Bass Lake's water quality earned a grade of A (91.7/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #42 out of 292 cities tested in Arizona.
What contaminants are in Coyote Canyon, Brimhall, Bass Lake's water?
Lead was measured at 1.0 ppb (90th percentile). 51 violations are on record.
How is Coyote Canyon, Brimhall, Bass Lake'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 Coyote Canyon, Brimhall, Bass Lake?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Coyote Canyon, Brimhall, Bass Lake's water come from?
Coyote Canyon, Brimhall, Bass Lake's water is sourced from Groundwater. The city has 1 water system serving approximately 622 residents.
Is Coyote Canyon, Brimhall, Bass Lake's groundwater at risk of contamination?
Coyote Canyon, Brimhall, Bass Lake 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 51 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 Coyote Canyon, Brimhall, Bass Lake's water compare to other cities?
Coyote Canyon, Brimhall, Bass Lake ranks #42 out of 292 cities in Arizona (better than 86% of state cities) and #1556 out of 15744 cities nationally (90th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Coyote Canyon, Brimhall, Bass Lake's small water system affect quality?
Coyote Canyon, Brimhall, Bass Lake's system serves approximately 622 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 51 violations on record.