Bakersfield, CA 93308

11 water systems49,534 residents

Good water quality with few concerns

B

Score: 68/100

Graded on EPA violations, contaminants, severity, compliance, and enforcement history. See methodology.

Data updated June 2026 • Sources: EPA ECHO and EPA Envirofacts

16

Contaminants Detected

391

Violations on Record

184

Health-Based Violations

0

Recent Violations

Grade Breakdown

Contaminant Count9 / 25
Violation History21 / 25
Contaminant Severity4 / 25
System Compliance1 / 15
Enforcement History0 / 10
Total Score68%

68 / 100 points

Recommended Water Filters

  • Point-of-Use Carbon Filter (NSF-certified for lead)
  • Reverse Osmosis or Ion Exchange Filter
  • Ultraviolet (UV) Purification
  • Activated Carbon Filter (disinfection byproducts)
Compare filter types in our Filter Guide →

Consult a water quality specialist for personalized recommendations.

Bakersfield vs CA & National Average

Detected Contaminants

16 contaminants detected across water systems serving this ZIP code

ContaminantCategory
AtrazineAgricultural
NitrateAgricultural
Nitrate-NitriteAgricultural
SimazineAgricultural
Total Haloacetic Acids (HAA5)Disinfection Byproduct
TTHMDisinfection Byproduct
Lead and Copper RuleHeavy Metal
LEAD AND COPPER RULE REVISIONSHeavy Metal
Coliform (TCR)Microorganism
Revised Total Coliform RuleMicroorganism
1,2-DIBROMO-3-CHLOROPROPANEOther
Consumer Confidence RuleOther
ETHYLENE DIBROMIDEOther
LASSOOther
Combined UraniumRadiological
Gross Alpha, Excl. Radon and URadiological

Water System Information

Systems Serving This ZIP:
RANCHOS DEL RIO, CHOCTAW VALLEY MUTUAL WATER CO., RIVERVIEW HOMEOWNERS ASSOCIATION, UPLANDS OF THE KERN MUTUAL WATER COMPANY, ROUND MOUNTAIN WATER COMPANY +5 more
Population Served:
49,534
Systems With Violations:
10 of 11
Major Violations:
23
Enforcement Actions:
378

Frequently Asked Questions

What does the grade mean?

Our A–F grade ranks this ZIP code's water quality against every other analyzed ZIP in the country, based on EPA data. A = among the best, F = among the most troubled.

Is my tap water safe to drink?

Water systems regulated by the EPA must comply with Safe Drinking Water Act standards. However, if you're concerned about water quality, consider a water filter appropriate for your contaminants.

How often is the data updated?

We update our data quarterly with the latest EPA ECHO and Envirofacts data. Historical violations are tracked to identify patterns.

What filters do you recommend?

Filter recommendations are based on detected contaminants in your area. See our Filter Guide for detailed information about different filter types.