Water Quality Report · Updated October 07, 2026
AQUA WSC
AQUA WSC delivers tap water graded C (69/100) by TapWaterSafety.org. The utility serves approximately 86,325 residents in BASTROP, Texas using groundwater. 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. For questions, the utility can be reached at 512-303-3943.
Is BASTROP tap water safe to drink?
AQUA WSC delivers tap water that earns a grade of C (69/100) from TapWaterSafety.org — an average rating, with several contaminants above health guidelines but generally compliant with US legal limits.
The utility serves 86,325 residents in BASTROP, drawing from groundwater.
Public testing data identifies 12 contaminants in this water above EWG's health-based guidelines, including: Haloacetic acids (HAA9), Total trihalomethanes (TTHMs), Dibromoacetic acid, Bromochloroacetic acid, Dibromochloromethane, Bromodichloromethane, Haloacetic acids (HAA5), Bromoform, Dichloroacetic acid, Trichloroacetic acid, Chloroform, Radium, combined (-226 and -228). For most residents, a properly certified home filter at the kitchen tap is the most cost-effective way to reduce exposure to whatever's in your water. See our filter recommendations below, matched specifically to this utility's contaminant profile.
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.
Quick actions for BASTROP residents
Top concerns in this water
Based on the most recent EPA and EWG data, these are the most significant water quality issues for AQUA WSC.
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.
Contact AQUA WSC
Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.
General Contact
Treatment Plant
Recommended water filters for BASTROP
Filters matched to the specific contaminants in this 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.
Score breakdown
This utility's overall score of 69/100 breaks down across five weighted components. Read the full methodology →
Contaminants detected — international standards comparison
Every contaminant detected, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal (the strictest US benchmark). 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 (4th ed.), California OEHHA PHGs, EWG Tap Water Database.
AQUA WSC service area
This water system serves 1 community in Bastrop County, Texas. Click any city for its dedicated tap water quality page.
Find the right filter for BASTROP water
Browse filter categories by water-quality concern. Each option below is NSF-certified for the matched contaminant type.