Water Quality Report · Updated October 07, 2026
CITY OF KILLEEN
CITY OF KILLEEN delivers tap water graded C (70/100) by TapWaterSafety.org. The utility serves approximately 151,261 residents in KILLEEN, Texas using surface water (purchased). 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; Arsenic detected. For questions, the utility can be reached at 254-501-7700.
Is KILLEEN tap water safe to drink?
CITY OF KILLEEN delivers tap water that earns a grade of C (70/100) from TapWaterSafety.org — an average rating, with several contaminants above health guidelines but generally compliant with US legal limits.
The utility serves 151,261 residents in KILLEEN, drawing from surface water (purchased). Despite being legal under US EPA standards, this water would fail the European Union's Drinking Water Directive, primarily due to haloacetic acids (haa9) significantly above health guideline.
Public testing data identifies 15 contaminants in this water above EWG's health-based guidelines, including: Haloacetic acids (HAA9), Bromochloroacetic acid, Total trihalomethanes (TTHMs), Bromodichloromethane, Dibromoacetic acid, Haloacetic acids (HAA5), Dibromochloromethane, 1,2,3-Trichloropropane*, Arsenic*, Dichloroacetic acid, Trichloroacetic acid, Chloroform, Bromoform, Nitrate, Atrazine*. 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 CITY OF KILLEEN (system ID TX0140006) for the last 3 years. Checked 2026-10-07.
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 KILLEEN residents
Top concerns in this water
Based on the most recent EPA and EWG data, these are the most significant water quality issues for CITY OF KILLEEN.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 34.6 ppb, 577x above the EWG health guideline of 0.06 ppb.
Bromochloroacetic acid significantly above health guideline
Moderate concernBromochloroacetic acid detected at 7.49 ppb, 374x above the EWG health guideline of 0.02 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 39.4 ppb, 263x above the EWG health guideline of 0.15 ppb.
Arsenic detected
Moderate concernArsenic detected at 0.222 ppb.
Contact CITY OF KILLEEN
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 KILLEEN
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.
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.
Score breakdown
This utility's overall score of 70/100 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 |
34.6 ppb | 0.06 | — | — | — | — | — | 577× over |
| Bromochloroacetic acid Disinfection byproduct |
7.49 ppb | 0.02 | — | — | — | — | — | 374× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
39.4 ppb | 0.15 | 80.0 | 100 | — | — | — | 263× over |
| Bromodichloromethane Disinfection byproduct |
14.0 ppb | 0.06 | — | — | — | — | — | 233× over |
| Dibromoacetic acid Disinfection byproduct |
5.05 ppb | 0.03 | — | — | — | — | — | 168× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
15.7 ppb | 0.1 | 60.0 | 60 | — | — | — | 157× over |
| Dibromochloromethane Disinfection byproduct |
12.3 ppb | 0.1 | — | — | — | — | — | 123× over |
| 1,2,3-Trichloropropane* Other |
0.0592 ppb | 0.0007 | — | — | — | — | — | 85× over |
| Arsenic* Heavy metal |
0.222 ppb | 0.004 | 10.0 | 10 | 10 | 0.004 | — | 56× over |
| Dichloroacetic acid Disinfection byproduct |
7.83 ppb | 0.2 | — | — | — | — | — | 39× over |
| Trichloroacetic acid Disinfection byproduct |
2.75 ppb | 0.1 | — | — | — | — | — | 27× over |
| Chloroform Disinfection byproduct |
8.71 ppb | 0.4 | — | — | — | — | — | 22× over |
| Bromoform Disinfection byproduct |
4.41 ppb | 0.5 | — | — | — | — | — | 8.8× over |
| Nitrate Inorganic |
0.198 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 1.4× over |
| Atrazine* Pesticide/Herbicide |
0.121 ppb | 0.1 | 3.0 | 0.1 | 100 | 0.15 | — | Fails EU |
| Nitrate and nitrite* Inorganic |
0.09 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | Below guideline |
| Aluminum* Heavy metal |
68.7 ppb | 600.0 | — | 200 | — | 600 | — | Below guideline |
| Vanadium Other |
2.3 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Barium* Heavy metal |
55.4 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Manganese Heavy metal |
5.41 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Molybdenum Other |
1.82 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Selenium* Heavy metal |
0.333 ppb | 30.0 | 50.0 | 20 | 40 | 30 | — | Below guideline |
| Monobromoacetic acid Disinfection byproduct |
0.0958 ppb | 25.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.315 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Cyanide* Inorganic |
63.3 ppb | — | 200.0 | 50 | 70 | 150 | — | Fails EU |
| Fluoride* Inorganic |
0.203 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Hexadecanoic acid* Other |
9.44 ppb | — | — | — | — | — | — | Below guideline |
| Octadecanoic acid* Other |
27.1 ppb | — | — | — | — | — | — | Below guideline |
| Phenol, p-tert-butyl-* Other |
3.07 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.
CITY OF KILLEEN service area
This water system serves 1 community in Bell County, Texas. Click any city for its dedicated tap water quality page.
Find the right filter for KILLEEN water
Browse filter categories by water-quality concern. Each option below is NSF-certified for the matched contaminant type.