Is Centennial Park, AZ Tap Water Safe to Drink?
Graded B-, with 24 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
72.4/100
waterverge.com Centennial Park, AZ — Water Quality Report
Centennial Park's drinking water received a grade of B- (72.4 out of 100), indicating fair water quality. The city's 1 water system serves approximately 1,267 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 202 violations on record, including 21 health-based violations. 24 remain unresolved.
What to know about Centennial Park's water
Centennial Park ranks #144 out of 292 cities in Arizona for water quality, placing it mid-range in the state.
Centennial Park 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, Centennial Park may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Centennial Park, AZ water safe to drink?
Centennial Park's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (72.4/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,267 residents using groundwater (wells).
Recent water quality updates for Centennial Park
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Centennial Park's water quality assessment. Grade: B- (72.4/100).
Contaminants: E. COLI.
Contaminants: Combined Radium (-226 and -228).
Contaminants: Gross Alpha, Excl. Radon and U.
Federal disaster declaration (FEMA DR-3241). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-691). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Centennial Park's water supply.
Well within EPA limits.
Violation history
Centennial Park's water system has 202 total violations on record, including 21 health-based violations. 24 remain unresolved. 3 violations were issued in the last 5 years.
Flood & environmental risk
Mohave County has experienced 5 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 Centennial Park's water come from?
Centennial Park's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,267 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Centennial Park residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Centennial Park'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.
Centennial Park'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
Mohave County has experienced 5 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 Centennial Park compares by contaminant
Explore where Centennial Park ranks among all Arizona cities for specific contaminants.
Water source & infrastructure
Where Centennial Park's water comes from
Centennial Park'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 1,267 people through 1 water system.
Water systems serving Centennial Park
| System Name | PWSID | Population | Source |
|---|---|---|---|
| CENTENNIAL PARK DWID | AZ0408090 | 1,267 | GW |
How Centennial Park compares
Full Arizona rankings →Centennial Park's score of 72.4/100 is above the average of 42/100 among major Arizona cities. It outscores 10 of 10 nearby cities.
Nearby cities
View Arizona rankings →About Centennial Park, AZ
Wikipedia →Colorado City is a town in Mohave County, Arizona, United States, and is located in a region known as the Arizona Strip. The population was 2,478 at the 2020 census. The Town of Colorado City, Arizona, incorporated in September 1985, was established by residents seeking local self-government and essential services. It is notable as a colony of Mormon polygamists, together with neighboring Hildale, Utah.
Learn more about your water
Guides and resources related to Centennial Park's water quality findings.
Explore water quality across Mohave
Frequently asked questions
Is Centennial Park, AZ tap water safe to drink?
Centennial Park's water quality earned a grade of B- (72.4/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #144 out of 292 cities tested in Arizona.
What contaminants are in Centennial Park's water?
Lead was measured at 0.0 ppb (90th percentile). 202 violations are on record.
How is Centennial Park'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 Centennial Park?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Centennial Park's water come from?
Centennial Park's water is sourced from Groundwater. The city has 1 water system serving approximately 1,267 residents.
What health violations has Centennial Park's water system had?
Centennial Park has 21 health-based violations on record. The most recent violation was recorded in August 2022. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 24 violations remain unresolved.
Is Centennial Park's groundwater at risk of contamination?
Centennial Park 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 202 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 Centennial Park's water compare to other cities?
Centennial Park ranks #144 out of 292 cities in Arizona (better than 51% of state cities) and #10325 out of 15744 cities nationally (34th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Centennial Park's small water system affect quality?
Centennial Park's system serves approximately 1,267 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 202 violations on record.