Is Ridgecrest, CA tap water safe?
The short answer
Neither of the 2 utilities serving Ridgecrest has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records.
Indian Wells Valley W.D., which serves the most people here, has 1 result above the limit’s level with no violation recorded, 1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Arsenic at 14.3 ppb, above the limit’s level, no violation. Health goals are stricter than legal limits and are not enforced.
The water from Indian Wells Valley W.D. is soft to moderately hard depending on the source, 11 to 110 mg/L (0.6 to 6.4 grains per gallon). How California’s water compares.
A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Ridgecrest’s ZIP codes, from EPA’s estimates.
- Open report
Indian Wells Valley W.D.
California · serves 41,474 people · about 7,700 in Ridgecrest
1 result above the limit’s level with no violation recorded, 1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Arsenic at 14.3 ppb, above the limit’s level, no violation. Hardness: soft to moderately hard depending on the source, 11 to 110 mg/L (0.6 to 6.4 grains per gallon).
No health-based violations since 2016
- Open report
Hometown Water Association
California · serves 25 people · under 100 in Ridgecrest
3 results above the health goal. The worst: Arsenic at 2.9 ppb, above the health goal. Hardness: hard, 130 mg/L (7.6 grains per gallon).
No health-based violations since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Indian Wells Valley W.D.’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: Arsenic
Aquasana SmartFlow Reverse Osmosis (AQ-SFRO2)
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Arsenic
Brondell Capella RC250 Reverse Osmosis System
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Arsenic
Water testing near Ridgecrest
No lab California certifies is within 75 miles of Ridgecrest on the state’s list. Some take samples by mail; the state’s page lists them all.
All 145 certified labs for CaliforniaZIP codes in Ridgecrest
Which ZIP codes are in Ridgecrest: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology.
Near Ridgecrest
Other towns in Kern County with a page of their own.
What to do next
- Read Indian Wells Valley W.D.’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for ArsenicRanked by certification and what they cost over five years.The best reverse osmosis systems, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water