Tap Water Quality Report
Tap water quality in SAN ANGELO, Texas
Tap water in SAN ANGELO, Texas receives a grade of F (51/100) from TapWaterSafety.org. It's served by CITY OF SAN ANGELO. The most significant water quality concerns are: Perfluorohexane sulfonate (PFHXS) significantly above health guideline; Haloacetic acids (HAA9) significantly above health guideline; Dibromoacetic acid significantly above health guideline; Arsenic detected. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in SAN ANGELO's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving SAN ANGELO.
Perfluorohexane sulfonate (PFHXS) significantly above health guideline
Moderate concernPerfluorohexane sulfonate (PFHXS) detected at 8.53 ppt, 8533x above the EWG health guideline of 0.001 ppt.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 181.0 ppb, 3017x above the EWG health guideline of 0.06 ppb.
Dibromoacetic acid significantly above health guideline
Moderate concernDibromoacetic acid detected at 11.3 ppb, 378x above the EWG health guideline of 0.03 ppb.
Arsenic detected
Moderate concernArsenic detected at 0.9 ppb.
EPA compliance record
Official U.S. EPA records for CITY OF SAN ANGELO (system ID TX2260001) for the last 3 years. Checked 2026-10-07.
| Rule | Type | Since | Status |
|---|---|---|---|
| Consumer Confidence Rule | Other (e.g. public notice) | 07/01/2025 | Resolved |
| Stage 2 Disinfectants and Disinfection Byproducts Rule | Contaminant above the legal limit | 07/01/2024 | Resolved |
| Lead and Copper Rule | Missed testing or reporting | 12/30/2024 | Resolved |
| Lead and Copper Rule Revisions | Missed reporting | 07/02/2025 | Resolved |
| Public Notice Rule and Revised PN Rule | Other (e.g. public notice) | 09/22/2024 | Resolved |
Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.
Recommended filters for SAN ANGELO
Filters matched to the specific contaminants in SAN ANGELO's water supply.
Carbon filter certified for VOCs (NSF/ANSI 53)
$180-$599Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.
Reverse osmosis certified for arsenic (NSF/ANSI 58)
$429-$599Reverse osmosis certified under NSF/ANSI 58 for arsenic is the most reliable home option.
Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.
All contaminants detected in SAN ANGELO's tap water
Every contaminant identified, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal. Why we show multiple standards →
| Contaminant | Detected | EWG US health-based |
EPA US legal |
EU DWD Europe |
WHO global |
CA PHG strictest US |
Tested sample year |
Status |
|---|---|---|---|---|---|---|---|---|
| Perfluorohexane sulfonate (PFHXS) PFAS |
8.53 ppt | 0.001 | 10.0 | — | — | — | — | 8533× over |
| Haloacetic acids (HAA9) Disinfection byproduct |
181.0 ppb | 0.06 | — | — | — | — | — | 3017× over |
| Dibromoacetic acid Disinfection byproduct |
11.3 ppb | 0.03 | — | — | — | — | — | 378× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
55.7 ppb | 0.15 | 80.0 | 100 | — | — | — | 372× over |
| Bromochloroacetic acid Disinfection byproduct |
6.17 ppb | 0.02 | — | — | — | — | — | 309× over |
| Arsenic Heavy metal |
0.9 ppb | 0.004 | 10.0 | 10 | 10 | 0.004 | — | 225× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
17.3 ppb | 0.1 | 60.0 | 60 | — | — | — | 173× over |
| Dibromochloromethane Disinfection byproduct |
15.8 ppb | 0.1 | — | — | — | — | — | 158× over |
| Bromodichloromethane Disinfection byproduct |
7.98 ppb | 0.06 | — | — | — | — | — | 133× over |
| Bromoform Disinfection byproduct |
28.6 ppb | 0.5 | — | — | — | — | — | 57× over |
| Dichloroacetic acid Disinfection byproduct |
2.84 ppb | 0.2 | — | — | — | — | — | 14× over |
| Trichloroacetic acid Disinfection byproduct |
0.649 ppb | 0.1 | — | — | — | — | — | 6.5× over |
| Chloroform Disinfection byproduct |
2.52 ppb | 0.4 | — | — | — | — | — | 6.3× over |
| Uranium Radiological |
1.94 pCi/L | 0.43 | 20.0 | 30 | 30 | 0.43 | — | 4.5× over |
| Nitrate Inorganic |
0.201 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 1.4× over |
| Bromochloromethane Other |
0.043 ppb | 0.06 | — | — | — | — | — | Below guideline |
| Chromium (hexavalent) Heavy metal |
0.00913 ppb | 0.02 | — | — | — | — | — | Below guideline |
| Barium Heavy metal |
173.3 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Atrazine Pesticide/Herbicide |
0.0167 ppb | 0.1 | 3.0 | 0.1 | 100 | 0.15 | — | Below guideline |
| Molybdenum Other |
5.7 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Aluminum Heavy metal |
71.3 ppb | 600.0 | — | 200 | — | 600 | — | Below guideline |
| Monobromoacetic acid Disinfection byproduct |
1.44 ppb | 25.0 | — | — | — | — | — | Below guideline |
| Chlorate Disinfection byproduct |
8.13 ppb | 210.0 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
2.55 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
0.986 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Vanadium Other |
0.185 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Perfluorobutanoic Acid (PFBA) PFAS |
7.0 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Perfluorobutane sulfonate (PFBS) PFAS |
7.03 ppt | 2000.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
2.03 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Cyanide Inorganic |
71.6 ppb | — | 200.0 | 50 | 70 | 150 | — | Fails EU |
| Fluoride Inorganic |
1.24 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Lithium Other |
47.1 ppb | — | — | — | — | — | — | Below guideline |
All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.
Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines, California OEHHA PHGs, EWG Tap Water Database.
Treatment plant contact info
For service issues, water quality concerns, or to request a Consumer Confidence Report from CITY OF SAN ANGELO.