Cudahy Tap Water Quality Report
Cudahy's water has 1 contaminant above EPA's legal limit (MCL, enforceable from April 26, 2029). Consider using a certified water filter for additional protection.
Other systems listed for Cudahy with results above guidelines: TRACT 349 MUTUAL WATER CO. (2 above guidelines), TRACT 180 MUTUAL WATER CO. (2 above guidelines)
People Served
54,309
Health-based violations since 2020
0
GSWC - BELL, BELL GARDENS. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Oct 2025 · GSWC - BELL, BELL GARDENS
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Cudahy Tap Water Safe to Drink?
We recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems. Cudahy's water has 1 contaminant above EPA's legal limit (MCL, enforceable from April 26, 2029).
GSWC - BELL, BELL GARDENS, Cudahy's water system, serves 54,309 people. 2 other systems are listed for Cudahy. Each system's results are listed under its own name, never added to GSWC - BELL, BELL GARDENS's. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for GSWC - BELL, BELL GARDENS is from Oct 2025.
In EPA's 2023–2026 UCMR 5 testing, GSWC - BELL, BELL GARDENS measured lithium at up to 47 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
Cudahy Water Service Areas
What these numbers actually mean for Cudahy, CA
We read Cudahy, 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.
- 1 contaminant above EPA's legal limit (MCL, enforceable from April 26, 2029), 9 contaminants with an EPA health goal detected in some samples (no level on file) and 1 nitrate reading above 10 mg/L whose basis is unconfirmed (above EPA's limit if measured as nitrogen, within it if measured as nitrate)
- 70 results on file
- 23 PFAS compounds on record
Buying a home here? Property Water Report — $49 Emailed within one business day.
Fluoride in Cudahy's water
GSWC - BELL, BELL GARDENS
PWSID CA1910011
No fluoride level in our data for GSWC - BELL, BELL GARDENS. Your utility's annual water quality report (CCR) lists it.
TRACT 180 MUTUAL WATER CO.
PWSID CA1910159
No fluoride level in our data for TRACT 180 MUTUAL WATER CO.. Your utility's annual water quality report (CCR) lists it.
TRACT 349 MUTUAL WATER CO.
PWSID CA1910160
No fluoride level in our data for TRACT 349 MUTUAL WATER CO.. Your utility's annual water quality report (CCR) lists it.
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Recommended Water Filters for Cudahy
Based on Cudahy's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA's health goals (MCLGs) or legal limits (MCL).
Culligan
ZeroWater
NSF Certified:
Flow Rate
1.9 gpm
Daily Production
1 gpd
Highlights:
- Compact design
- Easy to set up
- Affordable
- NSF-42, NSF-53, NSF-401 certified
Removes 19 contaminants:
+14 more
Strontium, Molybdenum, Fluoride, Uranium, Lead, Total PFAS, Chlorine, 25, Phosphorus, Bicarbonate, Calcium, Carbonate, Magnesium, Sodium
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:
Waterdrop
A1
NSF Certified:
Flow Rate
1 gpm
Highlights:
- Performance certified
- Lower price than Philips
- Hot water dispensing
- Compact design
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
Test Your Water Quality
Professional laboratory testing provides accurate, detailed analysis of your drinking water.
SimpleLab
Advanced Home Water Test
$269
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.
Tap Score
PFAS Forever Chemicals Test
$339.95
Specialized test for PFOA, PFOS, and 24 other forever chemicals. Essential for areas near military bases, airports, or industrial sites.
Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.
What Cudahy's water readings can explain
Utility-reported data for Cudahy includes a chlorine-based disinfectant — the readings behind these common tap water questions. Each page starts with the hot-tap and cold-tap check, then shows what your own water system reported.
On a private well near Cudahy? Public-water results do not apply to private wells. See Los Angeles County well water testing and USGS risk data — modeled arsenic, nitrate, and the tests to run.
Frequently Asked Questions About Cudahy Tap Water
Cudahy's water has 1 contaminant above EPA's legal limit (MCL, enforceable from April 26, 2029). We recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach GSWC - BELL, BELL GARDENS. For a problem with your water now (discolored water, no water, low pressure, a leak), contact GSWC - BELL, BELL GARDENS directly.
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