Tap Water Quality Report

Tap water quality in LORAIN, Ohio

Served by 2 public water systems. 132,152 residents.

Average score 67/100
Utilities 2
Population 132,152
D
67/100
Below Average
ⓘ How did we get this rating?
Quick answer

Tap water in LORAIN, Ohio receives a grade of D (67/100) from TapWaterSafety.org. It's served by 2 public water systems, primarily ELYRIA WATER DEPARTMENT. 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.

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

What's in LORAIN's tap water

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

Haloacetic acids (HAA9) significantly above health guideline

Moderate concern

Haloacetic acids (HAA9) detected at 26.3 ppb, 438x above the EWG health guideline of 0.06 ppb.

Total trihalomethanes (TTHMs) significantly above health guideline

Moderate concern

Total trihalomethanes (TTHMs) detected at 36.2 ppb, 241x above the EWG health guideline of 0.15 ppb.

Haloacetic acids (HAA5) significantly above health guideline

Moderate concern

Haloacetic acids (HAA5) detected at 17.3 ppb, 173x above the EWG health guideline of 0.1 ppb.

Recommended filters for LORAIN

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

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 LORAIN'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
26.3 ppb 0.06 438× over
Total trihalomethanes (TTHMs)
Disinfection byproduct
37.1 ppb 0.15 80.0 100 247× over
Haloacetic acids (HAA5)
Disinfection byproduct
18.0 ppb 0.1 60.0 60 180× over
Bromodichloromethane
Disinfection byproduct
9.39 ppb 0.06 157× over
Trichloroacetic acid
Disinfection byproduct
8.95 ppb 0.1 90× over
Chloroform
Disinfection byproduct
25.2 ppb 0.4 63× over
Dichloroacetic acid
Disinfection byproduct
7.93 ppb 0.2 40× over
Dibromochloromethane
Disinfection byproduct
3.61 ppb 0.1 36× over
Dibromoacetic acid
Disinfection byproduct
0.751 ppb 0.03 25× over
Chromium (hexavalent)
Heavy metal
0.0906 ppb 0.02 4.5× over
Nitrate
Inorganic
0.361 ppm 0.14 10.0 11.3 11.3 10 2.6× over
Nitrate and nitrite
Inorganic
0.361 ppm 0.14 10.0 11.3 11.3 10 2.6× over
Bromoform
Disinfection byproduct
0.241 ppb 0.5 Below guideline
Chlorate
Disinfection byproduct
11.8 ppb 210.0 Below guideline
Molybdenum
Other
1.39 ppb 40.0 Below guideline
Barium
Heavy metal
23.5 ppb 700.0 2000.0 1300 2000 Below guideline
Monochloroacetic acid
Disinfection byproduct
1.43 ppb 53.0 Below guideline
Vanadium
Other
0.325 ppb 21.0 Below guideline
Manganese
Heavy metal
0.752 ppb 100.0 50 80 Below guideline
Strontium
Radiological
0.169 ppb 1500.0 Below guideline
1-Butanol
Other
4.51 ppb Below guideline
Fluoride
Inorganic
0.986 ppm 4.0 1.5 1.5 Below guideline
Chlorpyriphos
Other
0.00763 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 ELYRIA WATER DEPARTMENT.

Treatment Plant

FacilityELYRIA WATER DEPARTMENT

ZIP codes served

LORAIN's public water systems serve the following ZIP codes: