Tap Water Quality Report
Tap water quality in ROWLETT, Texas
Tap water in ROWLETT, Texas receives a grade of D (65/100) from TapWaterSafety.org. It's served by CITY OF ROWLETT. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Bromochloroacetic acid significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in ROWLETT's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving ROWLETT.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 44.1 ppb, 735x above the EWG health guideline of 0.06 ppb.
Bromochloroacetic acid significantly above health guideline
Moderate concernBromochloroacetic acid detected at 6.93 ppb, 346x above the EWG health guideline of 0.02 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 32.4 ppb, 216x above the EWG health guideline of 0.15 ppb.
Recommended filters for ROWLETT
Filters matched to the specific contaminants in ROWLETT's water supply.
Carbon block (NSF/ANSI 42 + 53)
$40-$750Activated carbon is highly effective for disinfection byproducts like TTHM and HAA5.
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 ROWLETT'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 |
44.1 ppb | 0.06 | — | — | — | — | — | 735× over |
| Bromochloroacetic acid Disinfection byproduct |
6.93 ppb | 0.02 | — | — | — | — | — | 346× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
32.4 ppb | 0.15 | 80.0 | 100 | — | — | — | 216× over |
| Bromodichloromethane Disinfection byproduct |
11.4 ppb | 0.06 | — | — | — | — | — | 190× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
19.0 ppb | 0.1 | 60.0 | 60 | — | — | — | 190× over |
| Dibromoacetic acid Disinfection byproduct |
3.67 ppb | 0.03 | — | — | — | — | — | 122× over |
| Dibromochloromethane Disinfection byproduct |
8.16 ppb | 0.1 | — | — | — | — | — | 82× over |
| Dichloroacetic acid Disinfection byproduct |
10.3 ppb | 0.2 | — | — | — | — | — | 51× over |
| Chloroform Disinfection byproduct |
11.1 ppb | 0.4 | — | — | — | — | — | 28× over |
| Trichloroacetic acid Disinfection byproduct |
2.81 ppb | 0.1 | — | — | — | — | — | 28× over |
| Radium, combined (-226 and -228)* Radiological |
0.5 pCi/L | 0.05 | 5.0 | — | — | — | — | 10× over |
| Chromium (hexavalent) Heavy metal |
0.114 ppb | 0.02 | — | — | — | — | — | 5.7× over |
| Bromoform Disinfection byproduct |
1.71 ppb | 0.5 | — | — | — | — | — | 3.4× over |
| Nitrate Inorganic |
0.354 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 2.5× over |
| Chlorate Disinfection byproduct |
417.4 ppb | 210.0 | — | — | — | — | — | 2.0× over |
| Bromochloromethane Other |
0.11 ppb | 0.06 | — | — | — | — | — | 1.8× over |
| Atrazine* Pesticide/Herbicide |
0.148 ppb | 0.1 | 3.0 | 0.1 | 100 | 0.15 | — | Fails EU |
| Chlorite* Disinfection byproduct |
61.2 ppb | 50.0 | 1000.0 | — | — | — | — | 1.2× over |
| Bromate* Disinfection byproduct |
0.108 ppb | 0.1 | 10.0 | 10 | 10 | 0.1 | — | 1.1× over |
| Simazine* Pesticide/Herbicide |
0.0644 ppb | 0.1 | 4.0 | — | — | — | — | Below guideline |
| Barium* Heavy metal |
46.1 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Manganese Heavy metal |
3.8 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
1.65 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Monobromoacetic acid Disinfection byproduct |
0.641 ppb | 25.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.554 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Acetone* Other |
6.8 ppb | — | — | — | — | — | — | Below guideline |
| Cyanide* Inorganic |
47.8 ppb | — | 200.0 | 50 | 70 | 150 | — | Below guideline |
| Cyanogen chloride* Other |
0.7 ppb | — | — | — | — | — | — | Below guideline |
| Fluoride* Inorganic |
0.541 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Hexadecanoic acid* Other |
7.2 ppb | — | — | — | — | — | — | Below guideline |
| Methyl isobutyl ketone* Other |
0.0733 ppb | — | — | — | — | — | — | Below guideline |
| Metolachlor* Pesticide/Herbicide |
0.0333 ppb | — | — | — | — | — | — | Below guideline |
| Octadecanoic acid* Other |
21.0 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 ROWLETT.