Shawnee Co. RWD #4C (KS) Water Quality

Shawnee Co. RWD #4C is a large public water system in EPA region 7 that provides tap water for the 66617, 66618 zip codes. It has 6 facilities where the water supply was tested for 68 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 42.61 µg/L. The maximum reported level of Manganese was 2.1 µg/L. There were 2 contamintants found in the Shawnee Co. RWD #4C water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (7)

1,2,3-trichloropropane (7)

1,3-butadiene (7)

1,4-dioxane (7)

1-butanol (6)

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (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-methoxyethanol (6)

2-propen-1-ol (Allyl Alcohol) (6)

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

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

alpha-hexachlorocyclohexane (6)

anatoxin-a (7)

bromochloromethane (Halon 1011) (7)

bromomethane (7)

Butylated Hydroxyanisole (5)

chlorate (14)

chlorodifluoromethane (HCFC-22) (7)

chloromethane (7)

chlorpyrifos (6)

chromium (14)

chromium-6 (14)

cobalt (14)

cylindrospermopsin (7)

dimethipin (6)

ethoprop (6)

Germanium (8)

HAA5 (five regulated haloacetic acids) (12)

HAA6Br (six brominated haloacetic acids) (12)

HAA9 (nine haloacetic acids) (12)

hexafluoropropylene oxide dimer acid (GenX) (8)

lithium (8)

Manganese (8)

molybdenum (14)

N-ethyl perfluorooctanesulfonamidoacetic acid (8)

N-methyl perfluorooctanesulfonamidoacetic acid (8)

nonafluoro-3,6-dioxaheptanoic acid (8)

o-toluidine (5)

oxyfluorfen (6)

perfluoro(2-ethoxyethane)sulfonic acid (8)

perfluoro-3-methoxypropanoic acid (8)

perfluoro-4-methoxybutanoic acid (8)

perfluorobutanesulfonic acid (15)

perfluorobutanoic acid (8)

perfluorodecanoic acid (8)

perfluorododecanoic acid (8)

perfluoroheptanesulfonic acid (8)

perfluoroheptanoic acid (15)

perfluorohexanesulfonic acid (15)

perfluorohexanoic acid (8)

perfluorononanoic acid (15)

perfluorooctanesulfonic acid (15)

perfluorooctanoic acid (15)

perfluoropentanesulfonic acid (8)

perfluoropentanoic acid (8)

perfluorotetradecanoic acid (8)

perfluorotridecanoic acid (8)

perfluoroundecanoic acid (8)

profenofos (6)

quinoline (5)

strontium (14)

tebuconazole (6)

total microcystins (7)

Total Permethrin (6)

tribufos (6)

vanadium (14)

Sampling Facilities

Topeka Intertie
Surface Water (SW)

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

Treatment Plant 1
Ground Water (GW)

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

Treatment Plant 2
Ground Water (GW)

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

Distribution Syst.
Multiple Sources (MX)

35th St.Distribution System (DS)
ButtonDistribution System (DS)
Meriden RdDistribution System (DS)
Tower RdDistribution System (DS)

Distribution System - SW
Surface Water (SW)

DSMRT for TopekaMaximum Residence Time (MR)

Distribution System - GW
Ground Water (GW)

DSMRT for Treatment Plant 1Maximum Residence Time (MR)
DSMRT for Treatment Plant 2Maximum Residence Time (MR)

FAQ

Is Shawnee Co. RWD #4C tap water safe to drink?

When was Shawnee Co. RWD #4C last tested for water contamination?

The latest water samples were taken on January 13th, 2025.