Is Sunrise Vistas, AZ Tap Water Safe to Drink?
Graded B+, with 19 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
81.2/100
Sunrise Vistas, AZ — Water Quality Report
Sunrise Vistas's drinking water received a grade of B+ (81.2 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,500 residents using purchased ground water.
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 50 violations on record, including 2 health-based violations. 19 remain unresolved.
What to know about Sunrise Vistas's water
Sunrise Vistas ranks #112 out of 292 cities in Arizona for water quality, placing it mid-range in the state.
Sunrise Vistas 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, Sunrise Vistas may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 6 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Sunrise Vistas, AZ water safe to drink?
Sunrise Vistas's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (81.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,500 residents using groundwater (wells).
Recent water quality updates for Sunrise Vistas
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Sunrise Vistas's water quality assessment. Grade: B+ (81.2/100).
Contaminants: LEAD AND COPPER RULE REVISIONS.
Contaminants: TTHM, Total Haloacetic Acids (HAA5).
Contaminants: Revised Total Coliform Rule.
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 Sunrise Vistas's water supply.
Well within EPA limits.
Violation history
Sunrise Vistas's water system has 50 total violations on record, including 2 health-based violations. 19 remain unresolved. 6 violations were issued in the last 5 years.
Flood & environmental risk
Coconino 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.
Where does Sunrise Vistas's water come from?
Sunrise Vistas's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,500 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Sunrise Vistas residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Sunrise Vistas'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.
Sunrise Vistas'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 droughtMohave 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
Coconino 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.
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 Sunrise Vistas compares by contaminant
Explore where Sunrise Vistas ranks among all Arizona cities for specific contaminants.
Water source & infrastructure
Where Sunrise Vistas's water comes from
Sunrise Vistas 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 Sunrise Vistas'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 private ownership and serves approximately 1,500 people through 1 water system.
Water systems serving Sunrise Vistas
| System Name | PWSID | Population | Source |
|---|---|---|---|
| SUNRISE VISTA UTILITIES | AZ0408133 | 1,500 | GWP |
How Sunrise Vistas compares
Full Arizona rankings →Sunrise Vistas's score of 81.2/100 is above the average of 42/100 among major Arizona cities. It outscores 10 of 10 nearby cities.
Nearby cities
View Arizona rankings →About Sunrise Vistas, AZ
Wikipedia →Williams is a city in Coconino County, Arizona, United States, located west of Flagstaff. As of the 2020 census, Williams had a population of 3,202. It lies on the routes of Historic Route 66 and Interstate 40. It is also the southern terminus of the Grand Canyon Railway, which takes visitors to Grand Canyon Village.
Learn more about your water
Guides and resources related to Sunrise Vistas's water quality findings.
Explore water quality across Mohave
Frequently asked questions
Is Sunrise Vistas, AZ tap water safe to drink?
Sunrise Vistas's water quality earned a grade of B+ (81.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #112 out of 292 cities tested in Arizona.
What contaminants are in Sunrise Vistas's water?
Lead was measured at 0.0 ppb (90th percentile). 50 violations are on record.
How is Sunrise Vistas'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 Sunrise Vistas?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Sunrise Vistas's water come from?
Sunrise Vistas's water is sourced from Purchased ground water. The city has 1 water system serving approximately 1,500 residents.
What health violations has Sunrise Vistas's water system had?
Sunrise Vistas has 2 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 19 violations remain unresolved.
Is Sunrise Vistas's groundwater at risk of contamination?
Sunrise Vistas 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 50 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 Sunrise Vistas's water compare to other cities?
Sunrise Vistas ranks #112 out of 292 cities in Arizona (better than 62% of state cities) and #7566 out of 15744 cities nationally (52th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Sunrise Vistas's small water system affect quality?
Sunrise Vistas's system serves approximately 1,500 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 50 violations on record.