Water Quality: Apple Valley, CA
18 water systems • 55,188 people served
Multiple Health ViolationsWater Quality Summary
Apple Valley is served by 18 public water systems with a combined service population of 55,188 people, and has 210 EPA Safe Drinking Water Act violations on record. Critically, 108 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Apple Valley's violation count is 337% above the national average for California. Contaminants associated with violations include Barium, Gross Alpha, Lead, Selenium, Stage 2 DBP.
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
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)
Causes neurological damage, developmental delays in children, and kidney damage in adults even at low exposure levels.
Common source: Old plumbing pipes, lead solder, brass fixtures
EPA limit: Action Level: 0.015 mg/L (15 ppb)
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 Apple Valley
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| GOLDEN STATE WATER CO - BARSTOW | CA3610043 | Groundwater | 32,547 | 4 |
| GOLDEN STATE WATER CO - APPLE VLY SOUTH | CA3610107 | Groundwater | 6,208 | 0 |
| GOLDEN STATE WATER CO - WRIGHTWOOD | CA3610047 | Groundwater | 4,177 | 4 |
| THUNDERBIRD CWD | CA3600306 | Groundwater | 2,098 | 20 |
| GOLDEN STATE WATER CO - APPLE VLY NORTH | CA3610105 | Groundwater | 2,086 | 0 |
| GOLDEN STATE WATER CO - MORONGO DEL SUR | CA3610063 | Groundwater | 1,717 | 9 |
| MARIANA RANCHOS CWD | CA3610030 | Groundwater | 1,502 | 13 |
| APPLE VALLEY HEIGHTS CWD | CA3600009 | Groundwater | 983 | 14 |
| JUNIPER RIVIERA CWD | CA3600222 | Groundwater | 858 | 70 |
| APPLE VALLEY FOOTHILL CWD | CA3600008 | Groundwater | 811 | 26 |
| GOLDEN STATE WATER CO - LUCERNE | CA3610108 | Groundwater | 586 | 3 |
| RANCHERITOS MWC | CA3600200 | Groundwater | 487 | 8 |
| APPLE VALLEY VIEW MWC | CA3600012 | Groundwater | 303 | 25 |
| RANCHERITOS #2 | CA3601186 | Groundwater | 291 | 1 |
| NAVAJO MWC | CA3600180 | Groundwater | 264 | 7 |
| BEAR VALLEY MHP | CA3601045 | Groundwater | 150 | 6 |
| GOLDEN STATE WATER DESERT VIEW | CA3600279 | Groundwater | 120 | 0 |
| MOJAVE WATER AGENCY | CA3610129 | Groundwater | 0 | 0 |
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 California
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.