Antioch (IL) Water Quality

Antioch is a large public water system in EPA region 5 that provides tap water for the 60002 zip codes. It has 23 facilities where the water supply was tested for 65 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 1.84 µg/L. The maximum reported level of Manganese was 30.6 µg/L. There were 2 contamintants found in the Antioch water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (14)

1,2,3-trichloropropane (14)

1,3-butadiene (14)

1,4-dioxane (14)

1-butanol (14)

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (14)

1H,1H,2H,2H-perfluorodecane sulfonic acid (14)

1H,1H,2H,2H-perfluorohexane sulfonic acid (14)

1H,1H,2H,2H-perfluorooctane sulfonic acid (14)

2-methoxyethanol (14)

2-propen-1-ol (Allyl Alcohol) (14)

4,8-dioxa-3H-perfluorononanoic acid (14)

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (14)

alpha-hexachlorocyclohexane (14)

bromochloromethane (Halon 1011) (14)

bromomethane (14)

Butylated Hydroxyanisole (8)

chlorate (16)

chlorodifluoromethane (HCFC-22) (14)

chloromethane (14)

chlorpyrifos (14)

chromium (16)

chromium-6 (16)

cobalt (16)

dimethipin (14)

ethoprop (14)

Germanium (14)

HAA5 (five regulated haloacetic acids) (4)

HAA6Br (six brominated haloacetic acids) (4)

HAA9 (nine haloacetic acids) (4)

hexafluoropropylene oxide dimer acid (GenX) (14)

lithium (14)

Manganese (14)

molybdenum (16)

N-ethyl perfluorooctanesulfonamidoacetic acid (14)

N-methyl perfluorooctanesulfonamidoacetic acid (14)

nonafluoro-3,6-dioxaheptanoic acid (14)

o-toluidine (8)

oxyfluorfen (14)

perfluoro(2-ethoxyethane)sulfonic acid (14)

perfluoro-3-methoxypropanoic acid (14)

perfluoro-4-methoxybutanoic acid (14)

perfluorobutanesulfonic acid (28)

perfluorobutanoic acid (14)

perfluorodecanoic acid (14)

perfluorododecanoic acid (14)

perfluoroheptanesulfonic acid (14)

perfluoroheptanoic acid (28)

perfluorohexanesulfonic acid (28)

perfluorohexanoic acid (14)

perfluorononanoic acid (28)

perfluorooctanesulfonic acid (28)

perfluorooctanoic acid (28)

perfluoropentanesulfonic acid (14)

perfluoropentanoic acid (14)

perfluorotetradecanoic acid (14)

perfluorotridecanoic acid (14)

perfluoroundecanoic acid (14)

profenofos (14)

quinoline (8)

strontium (16)

tebuconazole (14)

Total Permethrin (14)

tribufos (14)

vanadium (16)

Sampling Facilities

Well 1 (20309)
Ground Water (GW)

Finished Water TapEntry Point to the Distribution System (EP)

Well 2 (20310)
Ground Water (GW)

Finished Water TapEntry Point to the Distribution System (EP)

Well 3 (20311)
Ground Water (GW)

Finished Water TapEntry Point to the Distribution System (EP)

Well 5 (20313)
Ground Water (GW)

Finished Water TapEntry Point to the Distribution System (EP)

Well 6 (00633)
Ground Water (GW)

Finished Water TapEntry Point to the Distribution System (EP)

Well 7 (01053)
Ground Water (GW)

Finished Water TapEntry Point to the Distribution System (EP)

Wells 8-10
Ground Water (GW)

Finished Water TapEntry Point to the Distribution System (EP)

TP 1 (Well 1)
Ground Water (GW)

TP 1 Finished WaterEntry Point to the Distribution System (EP)

TP 2 (Well 2)
Ground Water (GW)

TP 2 Finished WaterEntry Point to the Distribution System (EP)

TP 3 (Well 3)
Ground Water (GW)

TP 3 Finished WaterEntry Point to the Distribution System (EP)

TP 5 (Well 5)
Ground Water (GW)

TP 5 Finished WaterEntry Point to the Distribution System (EP)

TP 6 (Well 6)
Ground Water (GW)

TP 6 Finished WaterEntry Point to the Distribution System (EP)

TP 7 (Well 7)
Ground Water (GW)

TP 7 Finished WaterEntry Point to the Distribution System (EP)

TP 8 (Wells 8, 9 & 10)
Ground Water (GW)

TP 8 Finished WaterEntry Point to the Distribution System (EP)

Distribution System
Ground Water (GW)

829 Timberlake DriveDistribution System (DS)
117 W. Rt. 173Distribution System (DS)

Distribution System
Ground Water (GW)

23590 Margate Terr.Maximum Residence Time (MR)

Well 1 TP
Ground Water (GW)

EPTDS from Well 1Entry Point to the Distribution System (EP)

Well 2 TP
Ground Water (GW)

EPTDS from Well 2Entry Point to the Distribution System (EP)

Well 3 TP
Ground Water (GW)

EPTDS from Well 3Entry Point to the Distribution System (EP)

Well 5 TP
Ground Water (GW)

EPTDS from Well 5Entry Point to the Distribution System (EP)

Well 6 TP
Ground Water (GW)

EPTDS from Well 6Entry Point to the Distribution System (EP)

Well 7 TP
Ground Water (GW)

EPTDS from Well 7Entry Point to the Distribution System (EP)

Wells 8, 9 & 10 TP
Ground Water (GW)

EPTDS from Wells 8, 9 & 10Entry Point to the Distribution System (EP)

FAQ

Is Antioch tap water safe to drink?

When was Antioch last tested for water contamination?

The latest water samples were taken on May 15th, 2025.