City of Leander (TX) Water Quality

City of Leander is a large public water system in EPA region 6 that provides tap water for the 78641 zip codes. It has 4 facilities where the water supply was tested for 68 chemical contaminants that impact tap water quality and human health.

The maximum reported level of cylindrospermopsin was 0.09 µg/L. The maximum reported level of HAA5 (five regulated haloacetic acids) was 13.308 µg/L. There were 2 contamintants found in the City of Leander water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (3)

1,2,3-trichloropropane (3)

1,3-butadiene (3)

1,4-dioxane (3)

1-butanol (7)

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 (7)

2-propen-1-ol (Allyl Alcohol) (7)

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

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

alpha-hexachlorocyclohexane (7)

anatoxin-a (16)

bromochloromethane (Halon 1011) (3)

bromomethane (3)

Butylated Hydroxyanisole (7)

chlorate (9)

chlorodifluoromethane (HCFC-22) (3)

chloromethane (3)

chlorpyrifos (7)

chromium (9)

chromium-6 (9)

cobalt (9)

cylindrospermopsin (16)

dimethipin (7)

ethoprop (7)

Germanium (7)

HAA5 (five regulated haloacetic acids) (24)

HAA6Br (six brominated haloacetic acids) (24)

HAA9 (nine haloacetic acids) (24)

hexafluoropropylene oxide dimer acid (GenX) (8)

lithium (8)

Manganese (7)

molybdenum (9)

N-ethyl perfluorooctanesulfonamidoacetic acid (8)

N-methyl perfluorooctanesulfonamidoacetic acid (8)

nonafluoro-3,6-dioxaheptanoic acid (8)

o-toluidine (7)

oxyfluorfen (7)

perfluoro(2-ethoxyethane)sulfonic acid (8)

perfluoro-3-methoxypropanoic acid (8)

perfluoro-4-methoxybutanoic acid (8)

perfluorobutanesulfonic acid (11)

perfluorobutanoic acid (8)

perfluorodecanoic acid (8)

perfluorododecanoic acid (8)

perfluoroheptanesulfonic acid (8)

perfluoroheptanoic acid (11)

perfluorohexanesulfonic acid (11)

perfluorohexanoic acid (8)

perfluorononanoic acid (11)

perfluorooctanesulfonic acid (11)

perfluorooctanoic acid (11)

perfluoropentanesulfonic acid (8)

perfluoropentanoic acid (8)

perfluorotetradecanoic acid (8)

perfluorotridecanoic acid (8)

perfluoroundecanoic acid (8)

profenofos (7)

quinoline (7)

strontium (9)

tebuconazole (7)

total microcystins (16)

Total Permethrin (7)

tribufos (7)

vanadium (9)

Sampling Facilities

Sandy Creek WTP
Surface Water (SW)

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

BCRUA WTP
Surface Water (SW)

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

Distribution
Surface Water (SW)

711 RivercrestDistribution System (DS)
202 BrentwoodDistribution System (DS)
202 BrentwoodDistribution System (DS)
104 Valley ViewDistribution System (DS)
104 Valley ViewDistribution System (DS)
1905 RutherfordDistribution System (DS)

Distribution System
Surface Water (SW)

3801 Panther HallMaximum Residence Time (MR)
214 Amanda's WayMaximum Residence Time (MR)

FAQ

Is City of Leander tap water safe to drink?

When was City of Leander last tested for water contamination?

The latest water samples were taken on May 19th, 2025.