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Tap Water Quality Report

Tap water quality in BOWLING GREEN, Kentucky

Served by 2 public water systems. 144,719 residents.

Average score 80/100
Utilities 2
Population 144,719
Quick answer

Tap water in BOWLING GREEN, Kentucky receives a grade of B (80/100) from TapWaterSafety.org. It's served by 2 public water systems, primarily BOWLING GREEN MUNICIPAL UTILITIES. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.

Data sources for this grade: utilities.csv EWG Tap Water Database ⓘ How did we get this rating?

What's in BOWLING GREEN's tap water

Top water quality concerns identified by the EPA and Environmental Working Group across the utilities serving BOWLING GREEN.

Haloacetic acids (HAA9) significantly above health guideline

Moderate concern

Haloacetic acids (HAA9) detected at 60.6 ppb, 1010x above the EWG health guideline of 0.06 ppb.

Haloacetic acids (HAA5) significantly above health guideline

Moderate concern

Haloacetic acids (HAA5) detected at 38.9 ppb, 389x above the EWG health guideline of 0.1 ppb.

Total trihalomethanes (TTHMs) significantly above health guideline

Moderate concern

Total trihalomethanes (TTHMs) detected at 46.6 ppb, 310x above the EWG health guideline of 0.15 ppb.

EPA compliance record

Official U.S. EPA records for BOWLING GREEN MUNICIPAL UTILITIES (system ID KY1140038) for the last 3 years. Checked 2026-10-07.

No EPA violations in the last 3 years.
0 of 12quarters with a violation
Nolead above EPA action level
08/17/2023last state inspection

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 BOWLING GREEN

Filters matched to the specific contaminants in BOWLING GREEN's water supply.

Carbon filter certified for VOCs (NSF/ANSI 53)

$180-$599

Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.

Aquasana AQ-5300 Under-Sink Filter
$180-$240 NSF 42, 53, 401, 372
Editorial pick · affiliate link coming soon
AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, 372
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Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401
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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 BOWLING GREEN'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
60.6 ppb 0.06 — — — — — 1010× over
Haloacetic acids (HAA5)
Disinfection byproduct
40.8 ppb 0.1 60.0 60 — — — 408× over
Total trihalomethanes (TTHMs)
Disinfection byproduct
52.8 ppb 0.15 80.0 100 — — — 352× over
Nitrate
Inorganic
1.26 ppm 0.14 10.0 11.3 11.3 10 — 9.0× over
Nitrate*
Inorganic
1.26 ppm 0.14 10.0 11.3 11.3 10 — 9.0× over
Nitrate and nitrite
Inorganic
1.0 ppm 0.14 10.0 11.3 11.3 10 — 7.1× over
Nitrate and nitrite*
Inorganic
1.0 ppm 0.14 10.0 11.3 11.3 10 — 7.1× over
Chromium (hexavalent)
Heavy metal
0.14 ppb 0.02 — — — — — 7.0× over
Atrazine
Pesticide/Herbicide
0.049 ppb 0.1 3.0 0.1 100 0.15 — Below guideline
Atrazine*
Pesticide/Herbicide
0.049 ppb 0.1 3.0 0.1 100 0.15 — Below guideline
Aluminum
Heavy metal
56.3 ppb 600.0 — 200 — 600 — Below guideline
Aluminum*
Heavy metal
56.3 ppb 600.0 — 200 — 600 — Below guideline
Chlorate
Disinfection byproduct
12.0 ppb 210.0 — — — — — Below guideline
Manganese
Heavy metal
3.73 ppb 100.0 — 50 80 — — Below guideline
Barium
Heavy metal
18.0 ppb 700.0 2000.0 — 1300 2000 — Below guideline
Barium*
Heavy metal
18.0 ppb 700.0 2000.0 — 1300 2000 — Below guideline
Vanadium
Other
0.325 ppb 21.0 — — — — — Below guideline
2,4-D
Pesticide/Herbicide
0.034 ppb 20.0 70.0 — — — — Below guideline
2,4-D*
Pesticide/Herbicide
0.034 ppb 20.0 70.0 — — — — Below guideline
Strontium
Radiological
0.14 ppb 1500.0 — — — — — Below guideline
Fluoride
Inorganic
0.733 ppm — 4.0 1.5 1.5 — — Below guideline
Fluoride*
Inorganic
0.733 ppm — 4.0 1.5 1.5 — — 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 BOWLING GREEN MUNICIPAL UTILITIES.

Treatment Plant

FacilityBARREN RIVER WTP

ZIP codes served

BOWLING GREEN's public water systems serve the following ZIP codes: