Gonzales Tap Water Quality Report
Gonzales's water quality record shows 34 results on file for GONZALES, CITY OF, none above EPA's health goals or legal limits.
People Served
8,549
Health-based violations since 2020
0
GONZALES, CITY OF. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Aug 2022 · GONZALES, CITY OF
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Gonzales Tap Water Safe to Drink?
Gonzales's tap water has 34 results on file for GONZALES, CITY OF, none above EPA's health goals or legal limits. On that record the water is considered safe to drink, though some people may still prefer filtered water for taste or extra protection.
GONZALES, CITY OF, Gonzales's water system, serves 8,549 people. 1 other system is listed for Gonzales. Each system's results are listed under its own name, never added to GONZALES, CITY OF's. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for GONZALES, CITY OF is from Aug 2022.
In EPA's 2023–2026 UCMR 5 testing, GONZALES, CITY OF measured lithium at up to 33.4 µg/L, which EPA counts as above its health reference level of 10 µg/L. That level is a screening value EPA uses to decide what to study further, not a legal limit, and this result does not change this page's water-quality summary.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in California
Gonzales Water Service Areas
What these numbers actually mean for Gonzales, CA
We read Gonzales, CA’s published record and send you a short report — which findings warrant a decision, which to ignore, and what to do about it. Including when the answer is nothing.
- No result above EPA's health goals or legal limits
- 34 results on file
- 23 PFAS compounds on record
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General-Purpose Water Filters for Gonzales
Gonzales's results show no result above EPA's health goals or legal limits, so these are general-purpose NSF/ANSI 53 certified filters, not chosen for any contaminant.
Pentair Residential Filtration, LLC
Everpure Residential H-300-NXT
NSF Certified:
Capacity
3001 gal
Filter Life
10 mo
Flow Rate
0.5 gpm
Removes 5 contaminants:
Whirlpool Corporation
W11256135
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.7 gpm
Removes 19 contaminants:
+14 more
Benzene, Carbofuran, Chlorine (Free), Chlorine (Total), Chlorine Dioxide, Chlorobenzene, Cryptosporidium, Ethylbenzene, Lead, Mercury, Metolachlor, Tetrachloroethylene, Toxaphene, Turbidity
Whirlpool Corporation
W11569861
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.52 gpm
Removes 22 contaminants:
+17 more
Atrazine, Benzene, Carbofuran, Chlorine (Free), Chlorine (Total), Chlorine Dioxide, Chlorobenzene, Cryptosporidium, Ethylbenzene, Lead, Mercury, Metolachlor, Styrene, Tetrachloroethylene, Toxaphene, Trichloroethylene, Turbidity
Santevia
Bath Filter
NSF Certified:
Flow Rate
0.36 gpm
Highlights:
- Organic cotton design reduces plastic used in construction
- Affordable upfront & ongoing cost
- The only bath filter that removed 100% chlorine with “normal” faster faucet flow
Removes 1 contaminants:
Verify Your Water at Your Own Tap
This system met every enforceable federal limit in its latest published results. Those are taken in the distribution system, not at your tap — independent testing is what covers your own plumbing and the substances nobody sampled.
SimpleLab
Advanced Home Water Test
$269
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.
Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.
Tap Score
Haloacetic Acids (HAA9) Test
$275
Tests for disinfection byproducts formed when chlorine reacts with organic matter in water treatment.
What Gonzales's water readings can explain
Utility-reported data for Gonzales includes a chlorine-based disinfectant — the readings behind these common tap water questions. We publish a city-level hardness figure for Gonzales, resolved from its water systems where they report one and estimated from county sampling where they do not. Each page starts with the hot-tap and cold-tap check, then shows what your own water system reported.
On a private well near Gonzales? Public-water results do not apply to private wells. See Monterey County well water testing and USGS risk data — modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Gonzales
Gonzales's tap water has an estimated 13.3 grains per gallon (227.0 mg/L, county sampling in Monterey County) — very hard on the USGS scale, the range where scale on fixtures and appliances is the usual complaint.
Water softener cost for an estimated 13.3 gpg water in Gonzales — equipment and local installation labour for your ZIP code, with the sizing arithmetic shown in full. For the national picture first, read what a water softener costs — equipment, installation labour and ten-year ownership, each separated out. For California as a whole, read water softener cost in California — priced against the plumber wage published for the state.
Frequently Asked Questions About Gonzales Tap Water
Gonzales's tap water has 34 results on file for GONZALES, CITY OF, none above EPA's health goals or legal limits. On that record the water is considered safe to drink, though some people may still prefer filtered water for taste or extra protection.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach GONZALES, CITY OF. For a problem with your water now (discolored water, no water, low pressure, a leak), contact GONZALES, CITY OF directly.
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