City of Rosenberg (TX) Water Quality

City of Rosenberg is a large public water system in EPA region 6 that provides tap water for the 77469 zip codes. It has 13 facilities where the water supply was tested for 75 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 26.38 µg/L. The maximum reported level of Manganese was 38.1 µg/L. There were 2 contamintants found in the City of Rosenberg water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (12)

1,2,3-trichloropropane (12)

1,3-butadiene (12)

1,4-dioxane (12)

1-butanol (10)

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (7)

1H,1H,2H,2H-perfluorodecane sulfonic acid (7)

1H,1H,2H,2H-perfluorohexane sulfonic acid (7)

1H,1H,2H,2H-perfluorooctane sulfonic acid (7)

2,4-dinitrotoluene (8)

2,6-dinitrotoluene (8)

2-methoxyethanol (10)

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

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

4,8-dioxa-3H-perfluorononanoic acid (7)

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (7)

alpha-hexachlorocyclohexane (10)

bromochloromethane (Halon 1011) (12)

bromomethane (12)

Butylated Hydroxyanisole (10)

chlorate (24)

chlorodifluoromethane (HCFC-22) (12)

chloromethane (12)

chlorpyrifos (10)

chromium (24)

chromium-6 (24)

cobalt (24)

dimethipin (10)

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (7)

ethoprop (10)

Germanium (10)

HAA5 (five regulated haloacetic acids) (8)

HAA6Br (six brominated haloacetic acids) (8)

HAA9 (nine haloacetic acids) (8)

hexafluoropropylene oxide dimer acid (GenX) (7)

lithium (7)

Manganese (10)

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

molinate (8)

molybdenum (24)

N-ethyl perfluorooctanesulfonamidoacetic acid (13)

N-methyl perfluorooctanesulfonamidoacetic acid (13)

nitrobenzene (8)

nonafluoro-3,6-dioxaheptanoic acid (7)

o-toluidine (10)

oxyfluorfen (10)

perchlorate (8)

perfluoro(2-ethoxyethane)sulfonic acid (7)

perfluoro-3-methoxypropanoic acid (7)

perfluoro-4-methoxybutanoic acid (7)

perfluorobutanesulfonic acid (19)

perfluorobutanoic acid (7)

perfluorodecanoic acid (7)

perfluorododecanoic acid (7)

perfluoroheptanesulfonic acid (7)

perfluoroheptanoic acid (19)

perfluorohexanesulfonic acid (19)

perfluorohexanoic acid (7)

perfluorononanoic acid (19)

perfluorooctanesulfonic acid (19)

perfluorooctanoic acid (19)

perfluoropentanesulfonic acid (7)

perfluoropentanoic acid (7)

perfluorotetradecanoic acid (13)

perfluorotridecanoic acid (13)

perfluoroundecanoic acid (7)

profenofos (10)

quinoline (10)

s-ethyl-dipropylthiocarbamate (EPTC) (8)

strontium (24)

tebuconazole (10)

terbacil (8)

Total Permethrin (10)

tribufos (10)

vanadium (24)

Sampling Facilities

Plant 2 (Well 5)
Ground Water (GW)

1415 AlamoEntry Point to the Distribution System (EP)

Plant 3 (Well 6)
Ground Water (GW)

1024 GrumwaldEntry Point to the Distribution System (EP)

Plant 4 (Well 7)
Ground Water (GW)

3720 AirportEntry Point to the Distribution System (EP)

Plant 5 (Well 8 & 10)
Ground Water (GW)

401 Cottonwood Church Rd.Entry Point to the Distribution System (EP)

Plant 6 (Well 9)
Ground Water (GW)

7075 Reading Rd.Entry Point to the Distribution System (EP)

Plant 8
Surface Water (SW)

7824 A Meyers RoadEntry Point to the Distribution System (EP)

Distribution System
Ground Water (GW)

2733 US Hwy 59 SDistribution System (DS)
3021 MockingbirdDistribution System (DS)
3808 Ave NDistribution System (DS)
2814 Ave FDistribution System (DS)

Distribution System
Ground Water (GW)

DSMRT for Plant 1Maximum Residence Time (MR)
DSMRT for Plant 2Maximum Residence Time (MR)
DSMRT for Plant 3Maximum Residence Time (MR)
DSMRT for Plant 4Maximum Residence Time (MR)
DSMRT for Plant 5Maximum Residence Time (MR)
DSMRT for Plant 6Maximum Residence Time (MR)

Plant 1 (Well 4)
Ground Water (GW)

1823 Ave. FEntry Point to the Distribution System (EP)

1823 AVE F
Ground Water (GW)

1823_AVE_FEntry Point to the Distribution System (EP)

1415 ALAMO
Ground Water (GW)

1415_ALAMOEntry Point to the Distribution System (EP)

1024 GRUMWALD
Ground Water (GW)

1024_GRUMWALDEntry Point to the Distribution System (EP)

3720 AIRPORTPLT 4
Ground Water (GW)

3720_AIRPORTPLT_4Entry Point to the Distribution System (EP)

FAQ

Is City of Rosenberg tap water safe to drink?

When was City of Rosenberg last tested for water contamination?

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