City of Nacogdoches (TX) Water Quality

City of Nacogdoches is a large public water system in EPA region 6 that provides tap water for the 75961, 75964 zip codes. It has 11 facilities where the water supply was tested for 78 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 26.462 µg/L. The maximum reported level of Manganese was 6.8 µg/L. There were 2 contamintants found in the City of Nacogdoches water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (6)

1,2,3-trichloropropane (6)

1,3-butadiene (6)

1,4-dioxane (6)

1-butanol (6)

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

1H,1H,2H,2H-perfluorodecane sulfonic acid (6)

1H,1H,2H,2H-perfluorohexane sulfonic acid (6)

1H,1H,2H,2H-perfluorooctane sulfonic acid (6)

2,4-dinitrotoluene (8)

2,6-dinitrotoluene (8)

2-methoxyethanol (6)

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

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

4,8-dioxa-3H-perfluorononanoic acid (6)

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (6)

alpha-hexachlorocyclohexane (6)

anatoxin-a (7)

bromochloromethane (Halon 1011) (6)

bromomethane (6)

Butylated Hydroxyanisole (6)

chlorate (12)

chlorodifluoromethane (HCFC-22) (6)

chloromethane (6)

chlorpyrifos (6)

chromium (12)

chromium-6 (12)

cobalt (12)

cylindrospermopsin (7)

dimethipin (6)

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (8)

ethoprop (6)

Germanium (6)

HAA5 (five regulated haloacetic acids) (12)

HAA6Br (six brominated haloacetic acids) (12)

HAA9 (nine haloacetic acids) (12)

hexafluoropropylene oxide dimer acid (GenX) (6)

lithium (6)

Manganese (6)

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

molinate (8)

molybdenum (12)

N-ethyl perfluorooctanesulfonamidoacetic acid (6)

N-methyl perfluorooctanesulfonamidoacetic acid (6)

nitrobenzene (8)

nonafluoro-3,6-dioxaheptanoic acid (6)

o-toluidine (6)

oxyfluorfen (6)

perchlorate (8)

perfluoro(2-ethoxyethane)sulfonic acid (6)

perfluoro-3-methoxypropanoic acid (6)

perfluoro-4-methoxybutanoic acid (6)

perfluorobutanesulfonic acid (12)

perfluorobutanoic acid (6)

perfluorodecanoic acid (6)

perfluorododecanoic acid (6)

perfluoroheptanesulfonic acid (6)

perfluoroheptanoic acid (12)

perfluorohexanesulfonic acid (12)

perfluorohexanoic acid (6)

perfluorononanoic acid (12)

perfluorooctanesulfonic acid (12)

perfluorooctanoic acid (12)

perfluoropentanesulfonic acid (6)

perfluoropentanoic acid (6)

perfluorotetradecanoic acid (6)

perfluorotridecanoic acid (6)

perfluoroundecanoic acid (6)

profenofos (6)

quinoline (6)

s-ethyl-dipropylthiocarbamate (EPTC) (8)

strontium (12)

tebuconazole (6)

terbacil (8)

total microcystins (7)

Total Permethrin (6)

tribufos (6)

vanadium (12)

Sampling Facilities

SWTP
Surface Water (SW)

Sample Tap @ 11618 S. FM 225Entry Point to the Distribution System (EP)

South Side PS
Ground Water (GW)

Sample Tap @ Old Lufkin Rd.Entry Point to the Distribution System (EP)

DBP2
Surface Water (SW)

2709 Westward DR, NacogdochesDistribution System (DS)

DBP2
Surface Water (SW)

608 W. Main St, NacogdochesDistribution System (DS)

DBP2
Ground Water (GW)

1119 S. University DR, NacogdochesDistribution System (DS)

DBP2
Ground Water (GW)

2500 Woden RD, NacogdochesDistribution System (DS)

Distribution System - SW
Surface Water (SW)

DSMRT for SWTPMaximum Residence Time (MR)

Distribution System - GW
Ground Water (GW)

DSMRT for South Side PSMaximum Residence Time (MR)

WTP
Surface Water (SW)

WTPEntry Point to the Distribution System (EP)

Ground Water (GW)

Entry Point to the Distribution System (EP)

Ground Water (GW)

Entry Point to the Distribution System (EP)

FAQ

Is City of Nacogdoches tap water safe to drink?

When was City of Nacogdoches last tested for water contamination?

The latest water samples were taken on May 8th, 2025.