Tap Water Quality Report
Tap water quality in Lubbock, Texas
Tap water in Lubbock, Texas receives a grade of F (57/100) from TapWaterSafety.org. It's served by LUBBOCK PUBLIC WATER SYSTEM. The most significant water quality concerns are: Arsenic significantly above health guideline; Haloacetic acids (HAA9) significantly above health guideline; Dibromoacetic acid significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in Lubbock's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving Lubbock.
Arsenic significantly above health guideline
Moderate concernArsenic detected at 1.96 ppb, 489x above the EWG health guideline of 0.004 ppb.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 13.4 ppb, 223x above the EWG health guideline of 0.06 ppb.
Dibromoacetic acid significantly above health guideline
Moderate concernDibromoacetic acid detected at 4.28 ppb, 143x above the EWG health guideline of 0.03 ppb.
EPA compliance record
Official U.S. EPA records for LUBBOCK PUBLIC WATER SYSTEM (system ID TX1520002) for the last 3 years. Checked 2026-10-07.
| Rule | Type | Since | Status |
|---|---|---|---|
| Lead and Copper Rule Revisions | Missed reporting | 07/02/2025 | Resolved |
| Revised Total Coliform Rule | Missed testing | 01/01/2026 | 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 Lubbock
Filters matched to the specific contaminants in Lubbock's water supply.
Reverse osmosis certified for arsenic (NSF/ANSI 58)
$429-$599Reverse osmosis certified under NSF/ANSI 58 for arsenic is the most reliable home option.
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 Lubbock'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 |
|---|---|---|---|---|---|---|---|---|
| Arsenic Heavy metal |
1.96 ppb | 0.004 | 10.0 | 10 | 10 | 0.004 | — | 489× over |
| Haloacetic acids (HAA9) Disinfection byproduct |
13.4 ppb | 0.06 | — | — | — | — | — | 223× over |
| Dibromoacetic acid Disinfection byproduct |
4.28 ppb | 0.03 | — | — | — | — | — | 143× over |
| Bromochloroacetic acid Disinfection byproduct |
2.29 ppb | 0.02 | — | — | — | — | — | 115× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
15.8 ppb | 0.15 | 80.0 | 100 | — | — | — | 105× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
7.94 ppb | 0.1 | 60.0 | 60 | — | — | — | 79× over |
| Dibromochloromethane Disinfection byproduct |
5.11 ppb | 0.1 | — | — | — | — | — | 51× over |
| Chromium (hexavalent) Heavy metal |
0.932 ppb | 0.02 | — | — | — | — | — | 47× over |
| Bromodichloromethane Disinfection byproduct |
1.67 ppb | 0.06 | — | — | — | — | — | 28× over |
| Bromoform Disinfection byproduct |
8.36 ppb | 0.5 | — | — | — | — | — | 17× over |
| Nitrate and nitrite Inorganic |
1.69 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 12× over |
| Dichloroacetic acid Disinfection byproduct |
1.5 ppb | 0.2 | — | — | — | — | — | 7.5× over |
| Nitrate Inorganic |
0.966 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 6.9× over |
| Chlorite Disinfection byproduct |
341.2 ppb | 50.0 | 1000.0 | — | — | — | — | 6.8× over |
| Uranium Radiological |
2.17 pCi/L | 0.43 | 20.0 | 30 | 30 | 0.43 | — | 5.0× over |
| Trichloroacetic acid Disinfection byproduct |
0.441 ppb | 0.1 | — | — | — | — | — | 4.4× over |
| Chlorate Disinfection byproduct |
401.4 ppb | 210.0 | — | — | — | — | — | 1.9× over |
| Chloroform Disinfection byproduct |
0.331 ppb | 0.4 | — | — | — | — | — | Below guideline |
| Vanadium Other |
10.7 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Barium Heavy metal |
151.3 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Aluminum Heavy metal |
85.7 ppb | 600.0 | — | 200 | — | 600 | — | Below guideline |
| Molybdenum Other |
4.17 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Monobromoacetic acid Disinfection byproduct |
1.02 ppb | 25.0 | — | — | — | — | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
0.703 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Perfluorobutanoic Acid (PFBA) PFAS |
4.15 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
1.13 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
0.0482 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Chromium (total) Heavy metal |
2.66 ppb | — | 100.0 | — | — | — | — | Below guideline |
| Cyanide Inorganic |
93.2 ppb | — | 200.0 | 50 | 70 | 150 | — | Fails EU |
| Fluoride Inorganic |
0.885 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Lithium Other |
40.8 ppb | — | — | — | — | — | — | Below guideline |
| Quinoline Other |
0.00201 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 LUBBOCK PUBLIC WATER SYSTEM.