Is Strathmore, CA tap water safe?
The short answer
2 of the 3 utilities serving Strathmore have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records: Plainview Mutual Water Company and Plainview MWC - Central Water.
Strathmore Public Util Dist, which serves the most people here, has 3 results above the health goal. The worst: Nitrate at 22 ppm, above the health goal. Health goals are stricter than legal limits and are not enforced.
The water from Strathmore Public Util Dist is soft to hard depending on the source, 8.7 to 170 mg/L (0.5 to 9.9 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 Strathmore’s ZIP codes, from EPA’s estimates.
- Open report
Strathmore Public Util Dist
California · serves 2,669 people · under 100 in Strathmore
3 results above the health goal. The worst: Nitrate at 22 ppm, above the health goal. Hardness: soft to hard depending on the source, 8.7 to 170 mg/L (0.5 to 9.9 grains per gallon).
No health-based violations since 2016
- Open report
Plainview Mutual Water Company
California · serves 617 people · under 100 in Strathmore
3 results above the health goal. The worst: Nitrate at 13 ppm, above the health goal. Hardness: moderately hard to hard depending on the source, 68 to 140 mg/L (3.9 to 8.2 grains per gallon).
1 health-based violation since 2016
- Open report
Plainview MWC - Central Water
California · serves 138 people · under 100 in Strathmore
1 result above the legal limit and 1 result above the health goal. The worst: Nitrate at 15 ppm, above the legal limit. Hardness: moderately hard, 105 mg/L (6.2 grains per gallon).
9 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 Strathmore Public Util Dist’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: Nitrate, Lead, 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: Nitrate, Lead, Arsenic
Culligan 10-Cup Pitcher with ZeroWater Technology (ZEROP10)
Pitcher
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
Certified for: Nitrate, Lead
Water testing near Strathmore
The 3 labs California certifies closest to Strathmore, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Sierra Dairy Laboratory
Tulare, CA · about 17 miles
Certified for bacteria
Fruit Growers Laboratory, Inc.
Visalia, CA · about 23 miles
Certified for bacteria
Pace Analytical Services, LLC dba BC Laboratories, Inc.
Bakersfield, CA · about 52 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts, radioactivity
ZIP codes in Strathmore
Which ZIP codes are in Strathmore: 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 Strathmore
Other towns in Tulare County with a page of their own.
What to do next
- Read Strathmore Public Util Dist’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for NitrateRanked 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