City of Dayton (OH) Water Quality

City of Dayton is a large public water system in EPA region 5 that provides tap water for the 45315, 45377, 45403 - 45406, 45409, 45410, 45415 - 45417, 45420, 45426 - 45428, 45432 zip codes. It has 10 facilities where the water supply was tested for 85 chemical contaminants that impact tap water quality and human health.

The maximum reported level of 2-methoxyethanol was 15.9 µg/L. The maximum reported level of HAA5 (five regulated haloacetic acids) was 10.436 µg/L. There were 2 contamintants found in the City of Dayton water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (8)

1,2,3-trichloropropane (8)

1,3-butadiene (8)

1,4-dioxane (8)

1-butanol (8)

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (8)

17-alpha-ethynylestradiol (8)

17-beta-estradiol (8)

1H,1H,2H,2H-perfluorodecane sulfonic acid (8)

1H,1H,2H,2H-perfluorohexane sulfonic acid (8)

1H,1H,2H,2H-perfluorooctane sulfonic acid (8)

2,4-dinitrotoluene (8)

2,6-dinitrotoluene (8)

2-methoxyethanol (8)

2-propen-1-ol (Allyl Alcohol) (8)

4,4'-dichloro dichlorophenyl ethylene (DDE) (8)

4,8-dioxa-3H-perfluorononanoic acid (8)

4-androstene-3,17-dione (8)

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (8)

alpha-hexachlorocyclohexane (7)

anatoxin-a (16)

bromochloromethane (Halon 1011) (8)

bromomethane (8)

Butylated Hydroxyanisole (8)

chlorate (16)

chlorodifluoromethane (HCFC-22) (8)

chloromethane (8)

chlorpyrifos (7)

chromium (16)

chromium-6 (16)

cobalt (16)

cylindrospermopsin (16)

dimethipin (7)

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (8)

equilin (8)

estriol (8)

estrone (8)

ethoprop (7)

Germanium (8)

HAA5 (five regulated haloacetic acids) (16)

HAA6Br (six brominated haloacetic acids) (16)

HAA9 (nine haloacetic acids) (16)

hexafluoropropylene oxide dimer acid (GenX) (8)

lithium (8)

Manganese (8)

methyl-tertiary-butyl-ether (MTBE) (8)

molinate (8)

molybdenum (16)

N-ethyl perfluorooctanesulfonamidoacetic acid (8)

N-methyl perfluorooctanesulfonamidoacetic acid (8)

nitrobenzene (8)

nonafluoro-3,6-dioxaheptanoic acid (8)

o-toluidine (8)

oxyfluorfen (7)

perchlorate (8)

perfluoro(2-ethoxyethane)sulfonic acid (8)

perfluoro-3-methoxypropanoic acid (8)

perfluoro-4-methoxybutanoic acid (8)

perfluorobutanesulfonic acid (16)

perfluorobutanoic acid (8)

perfluorodecanoic acid (8)

perfluorododecanoic acid (8)

perfluoroheptanesulfonic acid (8)

perfluoroheptanoic acid (16)

perfluorohexanesulfonic acid (16)

perfluorohexanoic acid (8)

perfluorononanoic acid (16)

perfluorooctanesulfonic acid (16)

perfluorooctanoic acid (16)

perfluoropentanesulfonic acid (8)

perfluoropentanoic acid (8)

perfluorotetradecanoic acid (8)

perfluorotridecanoic acid (8)

perfluoroundecanoic acid (8)

profenofos (7)

quinoline (8)

s-ethyl-dipropylthiocarbamate (EPTC) (8)

strontium (16)

tebuconazole (7)

terbacil (8)

testosterone (8)

total microcystins (16)

Total Permethrin (7)

tribufos (7)

vanadium (16)

Sampling Facilities

Miami WTP
Ground Water (Under Direct Influence of Surface Water) (GU)

Miami Entry PointEntry Point to the Distribution System (EP)

Ottawa TP
Ground Water (Under Direct Influence of Surface Water) (GU)

Ottawa Plant Entry PointEntry Point to the Distribution System (EP)

Miami Plant
Surface Water (SW)

EPTDS From Miami WTPEntry Point to the Distribution System (EP)

Ottawa Plant
Surface Water (SW)

EPTDS from Ottawa WTPEntry Point to the Distribution System (EP)

Distribution System
Surface Water (SW)

43 BLACKWOOD AVEDistribution System (DS)
200 S STRAND AVEDistribution System (DS)
4680 BURKHARDT AVEDistribution System (DS)
2301 W. RIVER ROADDistribution System (DS)
Max. Res. Time Miami Dist. SystemMaximum Residence Time (MR)
Max. Res. Time Ottawa Dist. SystemMaximum Residence Time (MR)

Dayton PWS Miami Plant
Surface Water (SW)

Dayton PWS Miami WTP P01 EP001Entry Point to the Distribution System (EP)

Dayton PWS Ottawa Plant
Surface Water (SW)

Dayton PWS Ottawa WTP P02 EP002Entry Point to the Distribution System (EP)

Ottawa Plant Distribution System
Surface Water (SW)

Dayton PWS Ottawa WTP MR002Maximum Residence Time (MR)

MIAMI PLANT
Ground Water (Under Direct Influence of Surface Water) (GU)

MIAMI P.E.Entry Point to the Distribution System (EP)

OTTAWA PLANT
Ground Water (Under Direct Influence of Surface Water) (GU)

OTTAWA P.E.Entry Point to the Distribution System (EP)

FAQ

Is City of Dayton tap water safe to drink?

When was City of Dayton last tested for water contamination?

The latest water samples were taken on December 4th, 2023.