Dover Water Dept. (NH) Water Quality

Dover Water Dept. is a large public water system in EPA region 1 that provides tap water for the 03820 zip codes. It has 8 facilities where the water supply was tested for 87 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 3.251 µg/L. The maximum reported level of Manganese was 254 µg/L. There were 2 contamintants found in the Dover Water Dept. water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (5)

1,2,3-trichloropropane (5)

1,2-diphenylhydrazine (8)

1,3-butadiene (5)

1,4-dioxane (5)

1-butanol (10)

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (10)

1H,1H,2H,2H-perfluorodecane sulfonic acid (10)

1H,1H,2H,2H-perfluorohexane sulfonic acid (10)

1H,1H,2H,2H-perfluorooctane sulfonic acid (10)

2,4,6-trichlorophenol (8)

2,4-dichlorophenol (8)

2,4-dinitrophenol (8)

2,4-dinitrotoluene (8)

2,6-dinitrotoluene (8)

2-methoxyethanol (10)

2-methyl-phenol (8)

2-propen-1-ol (Allyl Alcohol) (10)

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

4,8-dioxa-3H-perfluorononanoic acid (10)

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (10)

alpha-hexachlorocyclohexane (10)

bromochloromethane (Halon 1011) (5)

bromomethane (5)

Butylated Hydroxyanisole (10)

chlorate (10)

chlorodifluoromethane (HCFC-22) (5)

chloromethane (5)

chlorpyrifos (10)

chromium (19)

chromium-6 (11)

cobalt (19)

diazinon (8)

dimethipin (10)

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

diuron (8)

ethoprop (10)

fonofos (8)

Germanium (10)

HAA5 (five regulated haloacetic acids) (8)

HAA6Br (six brominated haloacetic acids) (8)

HAA9 (nine haloacetic acids) (8)

hexafluoropropylene oxide dimer acid (GenX) (10)

linuron (8)

lithium (10)

Manganese (10)

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

molinate (8)

molybdenum (19)

N-ethyl perfluorooctanesulfonamidoacetic acid (10)

N-methyl perfluorooctanesulfonamidoacetic acid (10)

nitrobenzene (8)

nitrobenzene (8)

nonafluoro-3,6-dioxaheptanoic acid (10)

o-toluidine (10)

oxyfluorfen (10)

perchlorate (8)

perfluoro(2-ethoxyethane)sulfonic acid (10)

perfluoro-3-methoxypropanoic acid (10)

perfluoro-4-methoxybutanoic acid (10)

perfluorobutanesulfonic acid (15)

perfluorobutanoic acid (10)

perfluorodecanoic acid (10)

perfluorododecanoic acid (10)

perfluoroheptanesulfonic acid (10)

perfluoroheptanoic acid (15)

perfluorohexanesulfonic acid (15)

perfluorohexanoic acid (10)

perfluorononanoic acid (15)

perfluorooctanesulfonic acid (15)

perfluorooctanoic acid (15)

perfluoropentanesulfonic acid (10)

perfluoropentanoic acid (10)

perfluorotetradecanoic acid (10)

perfluorotridecanoic acid (10)

perfluoroundecanoic acid (10)

profenofos (10)

prometon (8)

quinoline (10)

s-ethyl-dipropylthiocarbamate (EPTC) (8)

strontium (19)

tebuconazole (10)

terbacil (8)

terbufos (8)

Total Permethrin (10)

tribufos (10)

vanadium (19)

Sampling Facilities

Lowell Avenue TP
Ground Water (GW)

Finished Water Sample @ Lowell TPEntry Point to the Distribution System (EP)

GPW Calderwood/Hoppers TP
Ground Water (GW)

Entry Point to Dist. SystemEntry Point to the Distribution System (EP)

GPW Hughes/Old Stage Rd. TP
Ground Water (GW)

Entry Point to Dist. SystemEntry Point to the Distribution System (EP)

French Cross Road Plant
Ground Water (GW)

Finished Water Sample @ French Cross Rd. TPEntry Point to the Distribution System (EP)

Plant/017
Ground Water (GW)

Finished Water Sample @ GTP/DPH-1Entry Point to the Distribution System (EP)

Distribution System
Ground Water (GW)

Ice ArenaDistribution System (DS)
Glenwood AveDistribution System (DS)
Jensons Trailer ParkDistribution System (DS)
Boston Harbor SSDistribution System (DS)

Griffin Well Treatment Plant (Mast Road)
Ground Water (GW)

Finished Water Sample @ Griffin TPEntry Point to the Distribution System (EP)

Distribution System
Ground Water (GW)

DSMRT for Lowell Ave./Dover ArenaMaximum Residence Time (MR)
DSMRT for Griffin/Jenson Trailer ParkMaximum Residence Time (MR)
DSMRT for Calderwood/Glencrest Ave.Maximum Residence Time (MR)
DSMRT for Hughes/Applied IndrustrialMaximum Residence Time (MR)
DSMRT for French Cross rd/Towle Ave.Maximum Residence Time (MR)

FAQ

Is Dover Water Dept. tap water safe to drink?

When was Dover Water Dept. last tested for water contamination?

The latest water samples were taken on February 12th, 2025.