Tap Water Quality Report
Tap water quality in FINDLAY, Ohio
Tap water in FINDLAY, Ohio receives a grade of C (70/100) from TapWaterSafety.org. It's served by FINDLAY CITY PWS. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in FINDLAY's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving FINDLAY.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 24.7 ppb, 412x above the EWG health guideline of 0.06 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 57.6 ppb, 384x above the EWG health guideline of 0.15 ppb.
Haloacetic acids (HAA5) significantly above health guideline
Moderate concernHaloacetic acids (HAA5) detected at 20.9 ppb, 209x above the EWG health guideline of 0.1 ppb.
EPA compliance record
Official U.S. EPA records for FINDLAY CITY PWS (system ID OH3200111) for the last 3 years. Checked 2026-10-07.
| Rule | Type | Since | Status |
|---|---|---|---|
| Consumer Confidence Rule | Other (e.g. public notice) | 01/03/2019 | Open |
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 FINDLAY
Filters matched to the specific contaminants in FINDLAY's 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.
All contaminants detected in FINDLAY'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 |
24.7 ppb | 0.06 | — | — | — | — | — | 412× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
57.6 ppb | 0.15 | 80.0 | 100 | — | — | — | 384× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
20.9 ppb | 0.1 | 60.0 | 60 | — | — | — | 209× over |
| Bromodichloromethane Disinfection byproduct |
12.2 ppb | 0.06 | — | — | — | — | — | 204× over |
| Chloroform Disinfection byproduct |
38.5 ppb | 0.4 | — | — | — | — | — | 96× over |
| Dichloroacetic acid Disinfection byproduct |
13.2 ppb | 0.2 | — | — | — | — | — | 66× over |
| Dibromoacetic acid Disinfection byproduct |
1.88 ppb | 0.03 | — | — | — | — | — | 63× over |
| Dibromochloromethane Disinfection byproduct |
6.05 ppb | 0.1 | — | — | — | — | — | 60× over |
| Trichloroacetic acid Disinfection byproduct |
3.46 ppb | 0.1 | — | — | — | — | — | 35× over |
| Chromium (hexavalent) Heavy metal |
0.316 ppb | 0.02 | — | — | — | — | — | 16× over |
| Bromoform Disinfection byproduct |
0.852 ppb | 0.5 | — | — | — | — | — | 1.7× over |
| Nitrate Inorganic |
0.19 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 1.4× over |
| Nitrate and nitrite Inorganic |
0.19 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 1.4× over |
| Chlorate Disinfection byproduct |
123.9 ppb | 210.0 | — | — | — | — | — | Below guideline |
| Molybdenum Other |
7.01 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
2.34 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
2.78 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Vanadium Other |
0.346 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Barium Heavy metal |
3.33 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Strontium Radiological |
1.39 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.981 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 FINDLAY CITY PWS.