Palos Verdes Estates Tap Water Quality Report
Palos Verdes Estates's water has 2 contaminants above EPA MCLGs. Consider using a certified water filter for additional protection.
Water system
CALIFORNIA WATER SERVICE CO. - PALOS VER
People Served
70,819
Health-based violations since 2020
0
CALIFORNIA WATER SERVICE CO. - PALOS VER. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Oct 2025 ยท CALIFORNIA WATER SERVICE CO. - PALOS VER
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Palos Verdes Estates 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. Palos Verdes Estates's water has 2 contaminants above EPA health-based guidelines (MCLGs), while it meets federal legal limits.
CALIFORNIA WATER SERVICE CO. - PALOS VER, Palos Verdes Estates's water system, serves 70,819 people. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for CALIFORNIA WATER SERVICE CO. - PALOS VER is from Oct 2025.
In EPA's 2023โ2026 UCMR 5 testing, CALIFORNIA WATER SERVICE CO. - PALOS VER measured lithium at up to 66.3 ยตg/L, which EPA counts as above its health reference level of 10 ยตg/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
Palos Verdes Estates Water Service Areas

What these numbers actually mean for Palos Verdes Estates, CA
We read Palos Verdes Estates, CAโs published record and send you a short report โ 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
- 39 results on file
- 23 PFAS compounds on record
Buying a home here? Property Water Report โ $49 Emailed within one business day.
Fluoride in Palos Verdes Estates's water
CALIFORNIA WATER SERVICE CO. - PALOS VER
PWSID CA1910104
CALIFORNIA WATER SERVICE CO. - PALOS VER reported 0.75 mg/L, at or above the 0.7 mg/L U.S. Public Health Service recommendation and below the 1.5 mg/L WHO guideline value and NTP neurodevelopment review level.
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Recommended Water Filters for Palos Verdes Estates
Based on Palos Verdes Estates'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 โnormalโ 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
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 Palos Verdes Estates's water readings can explain
Utility-reported data for Palos Verdes Estates includes a chlorine-based disinfectant โ 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 Palos Verdes Estates? Public-water results do not apply to private wells. See Los Angeles County well water testing and USGS risk data โ modeled arsenic, nitrate, and the tests to run.
Frequently Asked Questions About Palos Verdes Estates Tap Water
Palos Verdes Estates's water has 2 contaminants above EPA MCLGs. While the water meets federal legal limits, 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 CALIFORNIA WATER SERVICE CO. - PALOS VER. For a problem with your water now (discolored water, no water, low pressure, a leak), contact CALIFORNIA WATER SERVICE CO. - PALOS VER directly.
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