Harris County MUD #165 (TX) Water Quality

Harris County MUD #165 is a large public water system in EPA region 6 that provides tap water for the 77433, 77449 zip codes. It has 6 facilities where the water supply was tested for 50 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 1.09 µg/L. The maximum reported level of Manganese was 8.2 µg/L. There were 2 contamintants found in the Harris County MUD #165 water supply at levels that were above the minimum reporting level.

Contaminants

1-butanol (8)

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-methoxyethanol (8)

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

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

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

alpha-hexachlorocyclohexane (8)

Butylated Hydroxyanisole (8)

chlorpyrifos (8)

dimethipin (8)

ethoprop (8)

Germanium (8)

HAA5 (five regulated haloacetic acids) (4)

HAA6Br (six brominated haloacetic acids) (4)

HAA9 (nine haloacetic acids) (4)

hexafluoropropylene oxide dimer acid (GenX) (10)

lithium (10)

Manganese (8)

N-ethyl perfluorooctanesulfonamidoacetic acid (9)

N-methyl perfluorooctanesulfonamidoacetic acid (9)

nonafluoro-3,6-dioxaheptanoic acid (10)

o-toluidine (8)

oxyfluorfen (8)

perfluoro(2-ethoxyethane)sulfonic acid (10)

perfluoro-3-methoxypropanoic acid (10)

perfluoro-4-methoxybutanoic acid (10)

perfluorobutanesulfonic acid (10)

perfluorobutanoic acid (10)

perfluorodecanoic acid (10)

perfluorododecanoic acid (10)

perfluoroheptanesulfonic acid (10)

perfluoroheptanoic acid (10)

perfluorohexanesulfonic acid (10)

perfluorohexanoic acid (10)

perfluorononanoic acid (10)

perfluorooctanesulfonic acid (10)

perfluorooctanoic acid (10)

perfluoropentanesulfonic acid (10)

perfluoropentanoic acid (10)

perfluorotetradecanoic acid (9)

perfluorotridecanoic acid (9)

perfluoroundecanoic acid (10)

profenofos (8)

quinoline (8)

tebuconazole (8)

Total Permethrin (8)

tribufos (8)

Sampling Facilities

WP #1
Ground Water (GW)

Water Plant 1Entry Point to the Distribution System (EP)

WP #2
Ground Water (GW)

Water Plant 2Entry Point to the Distribution System (EP)

WP #3
Ground Water (GW)

Water Plant 3Entry Point to the Distribution System (EP)

WP #4
Ground Water (GW)

Water Plant 4Entry Point to the Distribution System (EP)

WP #5
Ground Water (GW)

Water Plant 5Entry Point to the Distribution System (EP)

Distribution System
Ground Water (GW)

19845 Mountain DaleDistribution System (DS)
20723 Bradford ForestDistribution System (DS)

FAQ

Is Harris County MUD #165 tap water safe to drink?

When was Harris County MUD #165 last tested for water contamination?

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