Water Quality: Sedona, AZ
16 water systems • 10,728 people served
Multiple Health ViolationsWater Quality Summary
Sedona is served by 16 public water systems with a combined service population of 10,728 people, and has 1,831 EPA Safe Drinking Water Act violations on record. Critically, 131 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Sedona's violation count is 382% above the national average for Arizona. Contaminants associated with violations include Barium, Chlorine Dioxide, E. coli, Gross Alpha, Selenium.
Contaminants Found
Increases blood pressure and causes cardiovascular effects with long-term exposure.
Common source: Natural rock deposits, oil drilling operations, coal power plant waste
EPA limit: 2 mg/L
Can cause anemia in infants and young children; may cause nervous system effects at high levels.
Common source: Water treatment disinfectant used to control taste, odor, and microorganisms
EPA limit: 0.8 mg/L
Causes gastrointestinal illness; certain strains (e.g., O157:H7) can cause severe kidney failure and death.
Common source: Fecal contamination from humans or animals entering the water supply
EPA limit: Zero (no E. coli permitted in drinking water)
Alpha-emitting radioactive particles increase cancer risk, particularly from bone and other internal cancers.
Common source: Natural uranium and radium in geological formations
EPA limit: 15 pCi/L (excluding radon and uranium)
Hair loss, nail brittleness, and nervous system damage at elevated concentrations.
Common source: Natural geological deposits, mining discharges, oil refinery waste
EPA limit: 0.05 mg/L (50 ppb)
Trihalomethanes and haloacetic acids that increase cancer risk and may cause adverse reproductive outcomes.
Common source: Chlorine disinfection reacting with natural organic matter in source water
EPA limit: TTHM: 0.080 mg/L; HAA5: 0.060 mg/L
Water Systems Serving Sedona
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| BIG PARK WATER COMPANY | AZ0413012 | Groundwater | 7,392 | 1312 |
| OAK CREEK WATER DISTRICT | AZ0413041 | Groundwater | 1,507 | 107 |
| PINE VALLEY WATER COMPANY | AZ0413103 | Groundwater | 400 | 55 |
| LITTLE PARK WATER COMPANY | AZ0413075 | Groundwater | 264 | 90 |
| SUNSET MOBILE HOME PARK | AZ0413373 | Groundwater | 250 | 31 |
| CATHEDRAL VISTA WATER COMPANY | AZ0413016 | Groundwater | 196 | 24 |
| SEVEN CANYONS OF SEDONA | AZ0413248 | Groundwater | 195 | 14 |
| LIVING SPRINGS MHP - RAINBOW TROUT FARM | AZ0403081 | Groundwater | 100 | 40 |
| MOUNTAIN VU RV COURT | AZ0413393 | Groundwater | 80 | 13 |
| OAK CREEK UTILITY CORP | AZ0403004 | Groundwater | 72 | 17 |
| CROSS CREEK RANCH | AZ0413256 | Groundwater | 55 | 23 |
| MICHAELS RANCH WATER USERS ASSOCIATION | AZ0413109 | Groundwater | 54 | 14 |
| RETREAT AT OAK CREEK DWID | AZ0413298 | Groundwater | 52 | 15 |
| RED ROCK CROSSING MOBILE VILLAGE | AZ0413074 | Groundwater | 50 | 40 |
| CUP OF GOLD WATER COMPANY | AZ0413028 | Groundwater | 42 | 15 |
| CATHEDRAL ROCK ESTATES WATER COOP | AZ0413119 | Groundwater | 19 | 21 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in Arizona
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.