Is Weldon, CA tap water safe?
The short answer
4 of the 9 utilities serving Weldon have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records: Tradewind Water Assoc., Valley Estates Poa, Inc., Rainbird Valley MWC and 1 more.
Lake Isabella Community Services Dist, which serves the most people here, has 1 result above the health goal. The worst: Lead at 10 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.
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 Weldon’s ZIP codes, from EPA’s estimates.
- Open report
Lake Isabella Community Services Dist
California · serves 500 people · under 100 in Weldon
1 result above the health goal. The worst: Lead at 10 ppb, above the health goal.
No health-based violations since 2016
- Open report
Erskine Creek WC
California · serves 2,500 people · under 100 in Weldon
3 results above the health goal. The worst: Arsenic at 8.5 ppb, above the health goal. Hardness: hard to very hard depending on the source, 160 to 190 mg/L (9.4 to 11.1 grains per gallon).
No health-based violations since 2016
- Open report
Mountain Mesa WC
California · serves 777 people · under 100 in Weldon
1 result above the limit’s level with no violation recorded and 3 results above the health goal. The worst: Arsenic at 13.3 ppb, above the limit’s level, no violation. Hardness: very hard, typically 335 mg/L (19.6 grains per gallon).
No health-based violations since 2016
- Open report
Tradewind Water Assoc.
California · serves 632 people · under 100 in Weldon
1 result above the legal limit and 1 result above the health goal. The worst: Uranium at 30.1 ppb, above the legal limit. Hardness: very hard, typically 205 mg/L (12 grains per gallon).
12 health-based violations since 2016
- Open report
Valley Estates Poa, Inc.
California · serves 386 people · under 100 in Weldon
1 result above the health goal. The worst: Uranium at 10.1 ppb, above the health goal. Hardness: hard, typically 158 mg/L (9.2 grains per gallon).
1 health-based violation since 2016
- Open report
Rainbird Valley MWC
California · serves 238 people · under 100 in Weldon
2 results above the legal limit and 2 results above the health goal. The worst: Uranium at 93.7 ppb, above the legal limit. Hardness: very hard, typically 288 mg/L (16.8 grains per gallon).
75 health-based violations since 2016
- Open report
Lakeview Ranchos Mutual Water Company
California · serves 120 people · under 100 in Weldon
1 result above the legal limit and 1 result above the limit’s level with no violation recorded. The worst: Arsenic at 26.9 ppb, above the legal limit. Hardness: very hard, typically 290 mg/L (17 grains per gallon).
33 health-based violations since 2016
- Open report
Bella Vista Mutual Water Company
California · serves 150 people · under 100 in Weldon
2 results above the health goal. The worst: Uranium at 6.8 ppb, above the health goal. Hardness: very hard, typically 203 mg/L (11.8 grains per gallon).
No health-based violations since 2016
- Open report
Hillview Acres Mutual Water Company
California · serves 36 people · under 100 in Weldon
2 results above the health goal. The worst: Arsenic at 4.4 ppb, above the health goal. Hardness: very hard, 230 mg/L (13.5 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 Lake Isabella Community Services Dist’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Brita Tahoe Pitcher with Elite Filter (OB60, OB06)
Pitcher
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 13, 2026
- IAPMO listing:NSF/ANSI 53checked Oct. 13, 2026
Certified for: Lead
Brita Everyday Pitcher with Elite Filter (OB46, OB06)
Pitcher
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 13, 2026
Certified for: Lead
PUR PLUS 11-Cup Pitcher (PPT111W)
Pitcher
- NSF listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
Certified for: Lead
Water testing near Weldon
The 3 labs California certifies closest to Weldon, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Pace Analytical Services, LLC dba BC Laboratories, Inc.
Bakersfield, CA · about 40 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts, radioactivity
Zalco Laboratories, Inc.
Bakersfield, CA · about 40 miles
Certified for bacteria, nitrate, metals, minerals and other inorganics, organic chemicals, disinfection byproducts
BSK Associates - Bakersfield Analytical Laboratory
Bakersfield, CA · about 46 miles
Certified for bacteria
Which ZIP codes are in Weldon: 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. Certified labs: California State Water Resources Control Board, ELAP accredited laboratories and their fields of accreditation; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Weldon
Other towns in Kern County with a page of their own.
What to do next
- Read Lake Isabella Community Services Dist’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for LeadRanked by certification and what they cost over five years.The best water filters for lead, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water