Huntington Park Tap Water Quality Report
Huntington Park's water has 4 contaminants above EPA MCLGs. We recommend using a certified water filter.
No single water system serves most of Huntington Park (52,166 residents, Census 2024 estimate). Its large systems are HUNTINGTON PARK-CITY, WATER DEPT. (EPA counts 15,275 people served, about 29% of Huntington Park's population); GSWC - FLORENCE/GRAHAM (EPA counts 62,970 people served, more than Huntington Park's population); WALNUT PARK MUTUAL WATER CO. (EPA counts 16,180 people served, about 31% of Huntington Park's population). EPA's counts may include people served outside Huntington Park, so each share is at most that. Check which one bills you: each system's figures are shown separately below.
- HUNTINGTON PARK-CITY, WATER DEPT.: 39 contaminants tested, 4 above EPA MCLGs; health-based violations since 2020: 0
- GSWC - FLORENCE/GRAHAM: 115 contaminants tested, 0 above EPA MCLGs; health-based violations since 2020: 0
- WALNUT PARK MUTUAL WATER CO.: 36 contaminants tested, 0 above EPA MCLGs; health-based violations since 2020: 0
Other systems listed for Huntington Park with results above guidelines: MAYWOOD MUTUAL WATER CO. #2 (3 above guidelines), MAYWOOD MUTUAL WATER CO. #3 (3 above guidelines), MAYWOOD MUTUAL WATER CO. #1 (3 above guidelines)
Water systems
3 large systems
Residents (Census 2024)
52,166
Health-based violations since 2020
0
HUNTINGTON PARK-CITY, WATER DEPT.. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Mar 2023 · HUNTINGTON PARK-CITY, WATER DEPT.
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Huntington Park Tap Water Safe to Drink?
We strongly recommend using a certified water filter to reduce exposure: Huntington Park'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 Huntington Park's water.
HUNTINGTON PARK-CITY, WATER DEPT., Huntington Park's water system, serves 15,275 people. 5 other systems are listed for Huntington Park. Each system's results are listed under its own name, never added to HUNTINGTON PARK-CITY, WATER DEPT.'s. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for HUNTINGTON PARK-CITY, WATER DEPT. is from Mar 2023.
In EPA's 2023–2026 UCMR 5 testing, HUNTINGTON PARK-CITY, WATER DEPT. measured lithium at up to 54 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
Huntington Park Water Service Areas
What these numbers actually mean for Huntington Park, CA
We read Huntington Park, 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.
- 4 contaminants above EPA MCLGs, 2 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)
- 37 results on file
- 23 PFAS compounds on record
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Recommended Water Filters for Huntington Park
Based on Huntington Park's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.
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 Huntington Park reported
Verify Your Water Quality with Independent Testing
With 4 contaminants above EPA MCLGs, 2 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), 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 Huntington Park's water readings can explain
Utility-reported data for Huntington Park includes a chlorine-based disinfectant — the readings behind these common tap water questions. We publish a city-level hardness figure for Huntington Park, 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 Huntington Park? 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.
Water softener cost and installation in Huntington Park
Huntington Park's tap water has an estimated 10.0 grains per gallon (171.0 mg/L, county sampling in Los Angeles County) — hard on the USGS scale, the range where scale on fixtures and appliances is the usual complaint.
Water softener cost for an estimated 10.0 gpg water in Huntington Park — 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 Huntington Park Tap Water
Huntington Park's water has 4 contaminants above EPA MCLGs. 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 Huntington Park's water.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach HUNTINGTON PARK-CITY, WATER DEPT.. For a problem with your water now (discolored water, no water, low pressure, a leak), contact HUNTINGTON PARK-CITY, WATER DEPT. directly.
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