San Antonio Heights Tap Water Quality Report
San Antonio Heights's water record shows 5 contaminants with an EPA health goal detected in some samples (no level on file). Consider using a certified water filter for additional protection.
Other systems listed for San Antonio Heights with results above guidelines: UPLAND, CITY OF (1 above guidelines)
Water system
SAN ANTONIO WATER COMPANY
1 other system is listed for San Antonio Heights. See its figures
People Served
3,191
Health-based violations since 2020
0
SAN ANTONIO WATER COMPANY. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Feb 2025 ยท SAN ANTONIO WATER COMPANY
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is San Antonio Heights 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. San Antonio Heights's water record shows 5 contaminants with an EPA health goal detected in some samples (no level on file).
SAN ANTONIO WATER COMPANY, San Antonio Heights's water system, serves 3,191 people. 1 other system is listed for San Antonio Heights. Each system's results are listed under its own name, never added to SAN ANTONIO WATER COMPANY's. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for SAN ANTONIO WATER COMPANY is from Feb 2025.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in California
San Antonio Heights Water Service Areas

What these numbers actually mean for San Antonio Heights, CA
We read San Antonio Heights, 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.
- 5 contaminants with an EPA health goal detected in some samples (no level on file)
- 35 results on file
- 23 PFAS compounds on record
Buying a home here? Property Water Report โ $49 Emailed within one business day.
Get the Weekly Water Brief
One email a week on water testing, treatment, and what water-quality data means for your home.
Free forever. Unsubscribe anytime. We never share your email.
General-Purpose Water Filters for San Antonio Heights
San Antonio Heights's results show no result above EPA's health goals or legal limits, so these are general-purpose NSF/ANSI 53 certified filters, not chosen for any contaminant.

Pentair Residential Filtration, LLC
Everpure Residential H-300-NXT
NSF Certified:
Capacity
3001 gal
Filter Life
10 mo
Flow Rate
0.5 gpm
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

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

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:
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 San Antonio Heights's water readings can explain
Utility-reported data for San Antonio Heights 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 San Antonio Heights? Public-water results do not apply to private wells. See San Bernardino County well water testing and USGS risk data โ modeled arsenic, nitrate, and the tests to run.
Frequently Asked Questions About San Antonio Heights Tap Water
San Antonio Heights's water record shows 5 contaminants with an EPA health goal detected in some samples (no level on file). 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 SAN ANTONIO WATER COMPANY. For a problem with your water now (discolored water, no water, low pressure, a leak), contact SAN ANTONIO WATER COMPANY directly.
Check another location
Get the Weekly Water Brief
One email a week on water testing, treatment, and what water-quality data means for your home.
One email a week. Unsubscribe anytime.