East Rancho Dominguez Tap Water Quality Report
East Rancho Dominguez's water has 2 contaminants above EPA MCLGs and 2 above EPA's legal limit (MCL, enforceable from April 26, 2029). We recommend using a certified water filter.
Other systems listed for East Rancho Dominguez with results above guidelines: COMPTON-CITY, WATER DEPT. (4 above guidelines)
Water system
LIBERTY UTILITIES - LYNWOOD
1 other system is listed for East Rancho Dominguez. See its figures
People Served
24,171
Health-based violations since 2020
0
LIBERTY UTILITIES - LYNWOOD. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Nov 2024 · LIBERTY UTILITIES - LYNWOOD
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is East Rancho Dominguez Tap Water Safe to Drink?
We strongly recommend using a certified water filter to reduce exposure: East Rancho Dominguez's water has 4 contaminants above EPA health-based guidelines. Check our filter recommendations below for NSF-certified options that can remove the specific contaminants found in East Rancho Dominguez's water.
LIBERTY UTILITIES - LYNWOOD, East Rancho Dominguez's water system, serves 24,171 people. 1 other system is listed for East Rancho Dominguez. Each system's results are listed under its own name, never added to LIBERTY UTILITIES - LYNWOOD's. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for LIBERTY UTILITIES - LYNWOOD is from Nov 2024.
In EPA's 2023–2026 UCMR 5 testing, LIBERTY UTILITIES - LYNWOOD measured lithium at up to 88.6 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
East Rancho Dominguez Water Service Areas
What these numbers actually mean for East Rancho Dominguez, CA
We read East Rancho Dominguez, 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.
- 2 contaminants above EPA MCLGs and 2 above EPA's legal limit (MCL, enforceable from April 26, 2029) and 2 contaminants with an EPA health goal detected in some samples (no level on file)
- 37 results on file
- 23 PFAS compounds on record
Buying a home here? Property Water Report — $49 Emailed within one business day.
Fluoride in East Rancho Dominguez's water
COMPTON-CITY, WATER DEPT.
PWSID CA1910026
No fluoride level in our data for COMPTON-CITY, WATER DEPT.. Your utility's annual water quality report (CCR) lists it.
LIBERTY UTILITIES - LYNWOOD
PWSID CA1910161
No fluoride level in our data for LIBERTY UTILITIES - LYNWOOD. Your utility's annual water quality report (CCR) lists it.
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Recommended Water Filters for East Rancho Dominguez
Based on East Rancho Dominguez'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
Filters for what East Rancho Dominguez reported
Verify Your Water Quality with Independent Testing
With 2 contaminants above EPA MCLGs and 2 above EPA's legal limit (MCL, enforceable from April 26, 2029) and 2 contaminants with an EPA health goal detected in some samples (no level on file), independent laboratory testing provides a second opinion and can track changes over time.
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.
With 4 contaminants above health guidelines, you may want to explore water purification options. Learn how to make distilled water at home for applications like humidifiers, CPAP machines, and baby formula.
What East Rancho Dominguez's water readings can explain
Utility-reported data for East Rancho Dominguez 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 East Rancho Dominguez? 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 East Rancho Dominguez Tap Water
East Rancho Dominguez's water has 2 contaminants above EPA MCLGs and 2 above EPA's legal limit (MCL, enforceable from April 26, 2029). We strongly recommend using a certified water filter to reduce exposure to these contaminants. Check our filter recommendations below for NSF-certified options that can remove the specific contaminants found in East Rancho Dominguez's water.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach LIBERTY UTILITIES - LYNWOOD. For a problem with your water now (discolored water, no water, low pressure, a leak), contact LIBERTY UTILITIES - LYNWOOD directly.
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