La Verne Tap Water Quality Report
La Verne's water has 3 contaminants above EPA MCLGs. Consider using a certified water filter for additional protection.
Other systems listed for La Verne with results above guidelines: THREE VALLEYS MWD (2 above guidelines), GSWC-SAN DIMAS (3 above guidelines)
People Served
32,206
Health-based violations since 2020
0
LA VERNE, CITY WD. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Sep 2023 ยท LA VERNE, CITY WD
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is La Verne 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. La Verne's water has 3 contaminants above EPA health-based guidelines (MCLGs), while it meets federal legal limits.
LA VERNE, CITY WD, La Verne's water system, serves 32,206 people. 2 other systems are listed for La Verne. Each system's results are listed under its own name, never added to LA VERNE, CITY WD's. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for LA VERNE, CITY WD is from Sep 2023.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in California
La Verne Water Service Areas

What these numbers actually mean for La Verne, CA
We read La Verne, 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.
- 3 contaminants above EPA MCLGs 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)
- 39 results on file
- 23 PFAS compounds on record
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Recommended Water Filters for La Verne
Based on La Verne's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.

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

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:
Verify Your Water Quality with Independent Testing
With 3 contaminants above EPA MCLGs 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
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.
With 3 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 La Verne's water readings can explain
Utility-reported data for La Verne includes a chlorine-based disinfectant โ the readings behind these common tap water questions. We publish a city-level hardness figure for La Verne, 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 La Verne? 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.
Water softener cost and installation in La Verne
La Verne's tap water measures 8.9 grains per gallon (153.0 mg/L) โ hard on the USGS scale, the range where scale on fixtures and appliances is the usual complaint.
Water softener cost for 8.9 gpg water in La Verne โ 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 โ equipment, installation labour and ten-year ownership, each separated out. For California as a whole, read water softener cost in California โ priced against the plumber wage published for the state.
Frequently Asked Questions About La Verne Tap Water
La Verne's water has 3 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 LA VERNE, CITY WD. For a problem with your water now (discolored water, no water, low pressure, a leak), contact LA VERNE, CITY WD directly.
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