Tap Water Quality Report
Tap water quality in BASTROP, Texas
Tap water in BASTROP, Texas receives a grade of D (69/100) from TapWaterSafety.org. It's served by AQUA WSC. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline; Dibromoacetic acid significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in BASTROP's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving BASTROP.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 19.6 ppb, 326x above the EWG health guideline of 0.06 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 47.6 ppb, 317x above the EWG health guideline of 0.15 ppb.
Dibromoacetic acid significantly above health guideline
Moderate concernDibromoacetic acid detected at 5.14 ppb, 171x above the EWG health guideline of 0.03 ppb.
EPA compliance record
Official U.S. EPA records for AQUA WSC (system ID TX0110013) for the last 3 years. Checked 2026-10-07.
| Rule | Type | Since | Status |
|---|---|---|---|
| Arsenic Rule | Missed testing or reporting | 01/01/2021 | Resolved |
| Inorganic Chemicals | Missed testing or reporting | 01/01/2021 | Resolved |
| Synthetic Organic Chemicals | Missed testing or reporting | 01/01/2021 | Resolved |
| Radionuclides and Revised Rad Rule | Missed testing or reporting | 01/01/2018 | 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 BASTROP
Filters matched to the specific contaminants in BASTROP'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.
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 BASTROP'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 |
|---|---|---|---|---|---|---|---|---|
| Haloacetic acids (HAA9) Disinfection byproduct |
19.6 ppb | 0.06 | — | — | — | — | — | 326× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
47.6 ppb | 0.15 | 80.0 | 100 | — | — | — | 317× over |
| Dibromoacetic acid Disinfection byproduct |
5.14 ppb | 0.03 | — | — | — | — | — | 171× over |
| Bromochloroacetic acid Disinfection byproduct |
3.28 ppb | 0.02 | — | — | — | — | — | 164× over |
| Dibromochloromethane Disinfection byproduct |
10.7 ppb | 0.1 | — | — | — | — | — | 107× over |
| Bromodichloromethane Disinfection byproduct |
5.67 ppb | 0.06 | — | — | — | — | — | 94× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
8.44 ppb | 0.1 | 60.0 | 60 | — | — | — | 84× over |
| Bromoform Disinfection byproduct |
10.7 ppb | 0.5 | — | — | — | — | — | 21× over |
| Dichloroacetic acid Disinfection byproduct |
2.33 ppb | 0.2 | — | — | — | — | — | 12× over |
| Trichloroacetic acid Disinfection byproduct |
0.863 ppb | 0.1 | — | — | — | — | — | 8.6× over |
| Chloroform Disinfection byproduct |
2.93 ppb | 0.4 | — | — | — | — | — | 7.3× over |
| Radium, combined (-226 and -228) Radiological |
0.35 pCi/L | 0.05 | 5.0 | — | — | — | — | 6.9× over |
| Chromium (hexavalent) Heavy metal |
0.0158 ppb | 0.02 | — | — | — | — | — | Below guideline |
| Nitrate Inorganic |
0.0316 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | Below guideline |
| Barium Heavy metal |
86.5 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Manganese Heavy metal |
5.63 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Selenium Heavy metal |
1.3 ppb | 30.0 | 50.0 | 20 | 40 | 30 | — | Below guideline |
| Chlorate Disinfection byproduct |
3.01 ppb | 210.0 | — | — | — | — | — | Below guideline |
| Vanadium Other |
0.148 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Monobromoacetic acid Disinfection byproduct |
0.05 ppb | 25.0 | — | — | — | — | — | Below guideline |
| Cobalt Other |
0.119 ppb | 70.0 | — | — | — | — | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
0.0563 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.922 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Xylenes (total) Volatile organic compound |
0.027 ppb | 1800.0 | 10000.0 | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.295 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Lithium Other |
38.7 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 AQUA WSC.