Water Quality: Redding, CA
20 water systems • 119,065 people served
Multiple Health ViolationsWater Quality Summary
Redding is served by 20 public water systems with a combined service population of 119,065 people, and has 88 EPA Safe Drinking Water Act violations on record. Critically, 27 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Redding's violation count is 83% above the national average for California. Contaminants associated with violations include E. coli, Fecal Coliform, Gross Alpha, Stage 2 DBP, Total Haloacetic Acids (HAA5).
Contaminants Found
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)
Indicates direct fecal contamination; associated with diarrhea, cramps, nausea, and potential severe illness.
Common source: Human and animal fecal waste
EPA limit: Zero tolerance (any positive triggers violations)
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)
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
Haloacetic acids are associated with increased cancer risk and potential reproductive and developmental effects.
Common source: Reaction of chlorine disinfectants with organic matter in treated water
EPA limit: 0.060 mg/L (60 ppb)
Water Systems Serving Redding
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| CITY OF REDDING | CA4510005 | Surface Water | 89,628 | 0 |
| BELLA VISTA WATER DISTRICT | CA4510014 | Surface Water | 18,612 | 0 |
| CENTERVILLE C.S.D. | CA4510011 | Surface Water | 4,151 | 5 |
| MOUNTAIN GATE C.S.D. | CA4510002 | Surface Water | 2,227 | 3 |
| SHASTA CSA - JONES VALLEY, #6 | CA4510004 | Surface Water | 2,006 | 6 |
| SHASTA CSA - FRENCH GULCH, #11 | CA4500317 | Surface Water | 419 | 13 |
| SHASTA CSA - CASTELLA, #3 | CA4500015 | Surface Water | 333 | 9 |
| SHASTA CSA - SUGARLOAF, #2 | CA4500006 | Surface Water | 274 | 6 |
| SHASTA CO CSA # 8 PALO CEDRO | CA4500313 | Groundwater | 261 | 2 |
| LAZY LANDING MOBILE HOME PARK | CA4500081 | Groundwater | 250 | 2 |
| SHASTA CSA - CRAGVIEW, #23 | CA4500028 | Surface Water | 248 | 10 |
| SHASTA CO CSA # 13 ALPINE MEADOWS | CA4500314 | Groundwater | 141 | 2 |
| SADDLEBACK MUTUAL WATER CO. | CA5200645 | Groundwater | 90 | 4 |
| CASCADE RACQUET CLUB MUTUAL WATER | CA4500012 | Groundwater | 89 | 4 |
| NORTH REDDING RV VILLAGE | CA4500102 | Groundwater | 78 | 5 |
| CLEAR CREEK MOBILE PARK | CA4500066 | Groundwater | 75 | 5 |
| PALISADES, THE | CA1100452 | Groundwater | 62 | 2 |
| COVINGTON MILL - A | CA5301103 | Groundwater | 60 | 3 |
| CANYON CREEK MHP | CA4500093 | Groundwater | 35 | 2 |
| RIO VISTA MOBILEHOME ESTATES | CA4500106 | Groundwater | 26 | 5 |
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.