San Antonio Water (TX) Water Quality

San Antonio Water is a large public water system in EPA region 6 that provides tap water for the 78006, 78023, 78065, 78073, 78109, 78154, 78202 - 78205, 78208 - 78240, 78244, 78245, 78248 - 78261, 78264, 78284 zip codes. It has 106 facilities where the water supply was tested for 97 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 21.7 µg/L. The maximum reported level of Manganese was 6.4 µg/L. There were 2 contamintants found in the San Antonio Water water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (70)

1,2,3-trichloropropane (70)

1,2-diphenylhydrazine (50)

1,3-butadiene (70)

1,4-dioxane (70)

1-butanol (72)

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (67)

17-alpha-ethynylestradiol (70)

17-beta-estradiol (70)

1H,1H,2H,2H-perfluorodecane sulfonic acid (67)

1H,1H,2H,2H-perfluorohexane sulfonic acid (67)

1H,1H,2H,2H-perfluorooctane sulfonic acid (67)

2,4,6-trichlorophenol (51)

2,4-dichlorophenol (51)

2,4-dinitrophenol (51)

2,4-dinitrotoluene (67)

2,6-dinitrotoluene (67)

2-methoxyethanol (72)

2-methyl-phenol (51)

2-propen-1-ol (Allyl Alcohol) (72)

4,4'-dichloro dichlorophenyl ethylene (DDE) (67)

4,8-dioxa-3H-perfluorononanoic acid (67)

4-androstene-3,17-dione (70)

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (67)

alpha-hexachlorocyclohexane (85)

anatoxin-a (13)

bromochloromethane (Halon 1011) (70)

bromomethane (70)

Butylated Hydroxyanisole (90)

chlorate (145)

chlorodifluoromethane (HCFC-22) (70)

chloromethane (70)

chlorpyrifos (85)

chromium (145)

chromium-6 (145)

cobalt (145)

cylindrospermopsin (13)

diazinon (50)

dimethipin (85)

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (66)

diuron (51)

equilin (70)

estriol (70)

estrone (70)

ethoprop (85)

fonofos (50)

Germanium (91)

HAA5 (five regulated haloacetic acids) (41)

HAA6Br (six brominated haloacetic acids) (41)

HAA9 (nine haloacetic acids) (41)

hexafluoropropylene oxide dimer acid (GenX) (67)

linuron (51)

lithium (67)

Manganese (91)

methyl-tertiary-butyl-ether (MTBE) (67)

molinate (67)

molybdenum (145)

N-ethyl perfluorooctanesulfonamidoacetic acid (67)

N-methyl perfluorooctanesulfonamidoacetic acid (67)

nitrobenzene (50)

nitrobenzene (67)

nonafluoro-3,6-dioxaheptanoic acid (67)

o-toluidine (90)

oxyfluorfen (85)

perchlorate (67)

perfluoro(2-ethoxyethane)sulfonic acid (67)

perfluoro-3-methoxypropanoic acid (67)

perfluoro-4-methoxybutanoic acid (67)

perfluorobutanesulfonic acid (137)

perfluorobutanoic acid (67)

perfluorodecanoic acid (67)

perfluorododecanoic acid (67)

perfluoroheptanesulfonic acid (67)

perfluoroheptanoic acid (137)

perfluorohexanesulfonic acid (137)

perfluorohexanoic acid (67)

perfluorononanoic acid (137)

perfluorooctanesulfonic acid (137)

perfluorooctanoic acid (137)

perfluoropentanesulfonic acid (67)

perfluoropentanoic acid (67)

perfluorotetradecanoic acid (67)

perfluorotridecanoic acid (67)

perfluoroundecanoic acid (67)

profenofos (85)

prometon (50)

quinoline (90)

s-ethyl-dipropylthiocarbamate (EPTC) (67)

strontium (145)

tebuconazole (85)

terbacil (67)

terbufos (50)

testosterone (70)

total microcystins (14)

Total Permethrin (85)

tribufos (85)

vanadium (145)

Sampling Facilities

Market Street
Ground Water (GW)

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

Mission
Ground Water (GW)

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

34th Street
Ground Water (GW)

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

Brackenridge 14
Ground Water (GW)

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

Sunshine
Ground Water (GW)

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

Randolph
Ground Water (GW)

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

Barbet 2
Ground Water (GW)

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

Maltsberger
Ground Water (GW)

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

Dreamhill
Ground Water (GW)

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

Turtle Creek 2
Ground Water (GW)

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

Wurzbach
Ground Water (GW)

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

Naco 17
Ground Water (GW)

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

Woodlake
Ground Water (GW)

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

Klaus
Ground Water (GW)

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

Basin Drive
Ground Water (GW)

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

Seale Road
Ground Water (GW)

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

Turtle Creek 3
Ground Water (GW)

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

Brackenridge 13
Ground Water (GW)

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

Artesia
Ground Water (GW)

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

Micron PS
Ground Water (GW)

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

Oliver Ranch
Multiple Sources (MX)

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

ASR Plant
Ground Water (GW)

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

GBRA Western Canyon Intertie
Surface Water (SW)

WinwoodEntry Point to the Distribution System (EP)
EPTDS from GBRA Western CanyonEntry Point to the Distribution System (EP)

Blackhawk Trl. (Fac. 066 WP2)
Ground Water (GW)

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

Stein
Ground Water (GW)

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

Wild Turkey (Fac. 95)
Ground Water (GW)

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

Blackhawk (FAC 066 WP1)
Ground Water (GW)

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

Aspen (Fac. 63)
Ground Water (GW)

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

Bear Creek (Fac. 032)
Ground Water (GW)

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

Tippecanoe (Fac. 033)
Ground Water (GW)

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

Marbach(Fac. 030)
Ground Water (GW)

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

Cagnon (Fac. 041)
Ground Water (GW)

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

SW 21st (Fac. 002)
Ground Water (GW)

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

King (Fac. 003)
Ground Water (GW)

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

Zarzamora (Fac. 005)
Ground Water (GW)

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

Pitluck (Fac. 95)
Ground Water (GW)

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

Aqua Vista
Ground Water (GW)

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

Lackland City 3
Ground Water (GW)

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

Walzem
Ground Water (GW)

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

Sutton
Ground Water (GW)

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

Loma Linda
Ground Water (GW)

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

Pipers Meadow
Ground Water (GW)

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

Anderson
Ground Water (GW)

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

Marbach Road
Ground Water (GW)

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

Gateway 1
Ground Water (GW)

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

Gateway 2
Ground Water (GW)

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

Lackland City 6A
Ground Water (GW)

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

Culbera Well
Ground Water (GW)

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

Tower Dr. (Fac. 67)
Ground Water (GW)

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

10527 CAMPO VIEJO
Surface Water (SW)

DistributionDistribution System (DS)

8114 CEDAR KNOLL
Surface Water (SW)

DistributionDistribution System (DS)

8128 RUSTIC CHASE
Surface Water (SW)

DistributionDistribution System (DS)

25814 SCENIC ROCK
Surface Water (SW)

DistributionDistribution System (DS)

19002 CEDAR BERRY LN
Surface Water (SW)

DistributionDistribution System (DS)

23354 ANGOSTURA BLVD
Multiple Sources (MX)

DistributionDistribution System (DS)

4 VINEYARD
Surface Water (SW)

DistributionDistribution System (DS)

114 LA ESCALERA
Multiple Sources (MX)

DistributionDistribution System (DS)

1835 MARTINEZ-LOSOYA
Ground Water (GW)

DistributionDistribution System (DS)

216 SEQUOIA
Multiple Sources (MX)

DistributionDistribution System (DS)

25003 BLACK CREEK
Surface Water (SW)

DistributionDistribution System (DS)

339 CYPRESS GARDEN
Ground Water (GW)

DistributionDistribution System (DS)

12123 CLUBHOUSE
Ground Water (GW)

DistributionDistribution System (DS)

10714 CLAYMORE
Ground Water (GW)

DistributionDistribution System (DS)

19635 QUAIL RUN
Ground Water (GW)

DistributionDistribution System (DS)

18811 Turtle Cove
Multiple Sources (MX)

DistributionDistribution System (DS)

Distribution System - SW
Surface Water (SW)

DSMRT for GBRA Western CanyonMaximum Residence Time (MR)
1835 Martinez-LosoyaMaximum Residence Time (MR)
8711 PertschireMaximum Residence Time (MR)
add ucmr max res sp nameMaximum Residence Time (MR)
add ucmr max res sp nameMaximum Residence Time (MR)
add ucmr max res sp nameMaximum Residence Time (MR)
add ucmr max res sp nameMaximum Residence Time (MR)
add ucmr max res sp nameMaximum Residence Time (MR)
add ucmr max res sp nameMaximum Residence Time (MR)
add ucmr max res sp nameMaximum Residence Time (MR)
add ucmr max res sp nameMaximum Residence Time (MR)
add ucmr max res sp nameMaximum Residence Time (MR)
807 DunwoodieMaximum Residence Time (MR)
add ucmr max res sp nameMaximum Residence Time (MR)
add ucmr max res sp nameMaximum Residence Time (MR)
add ucmr max res sp nameMaximum Residence Time (MR)
add ucmr max res sp nameMaximum Residence Time (MR)
add ucmr max res sp nameMaximum Residence Time (MR)
add ucmr max res sp nameMaximum Residence Time (MR)
add ucmr max res sp nameMaximum Residence Time (MR)
add ucmr max res sp nameMaximum Residence Time (MR)
add ucmr max res sp nameMaximum Residence Time (MR)
add ucmr max res sp nameMaximum Residence Time (MR)
5907 JeromeMaximum Residence Time (MR)
add ucmr max res sp nameMaximum Residence Time (MR)
add ucmr max res sp nameMaximum Residence Time (MR)
add ucmr max res sp nameMaximum Residence Time (MR)
add ucmr max res sp nameMaximum Residence Time (MR)
add ucmr max res sp nameMaximum Residence Time (MR)
322 CreshamMaximum Residence Time (MR)
13111 Country TrailMaximum Residence Time (MR)
1610 SixpenceMaximum Residence Time (MR)
4806 RockfordMaximum Residence Time (MR)
5918 Cliff RidgeMaximum Residence Time (MR)
99 Sendero VerdeMaximum Residence Time (MR)

Northwood
Ground Water (GW)

ChlorinatorEntry Point to the Distribution System (EP)

Distribution System - GW
Ground Water (GW)

1835 Martinez-LosoyaMaximum Residence Time (MR)
8711 PertschireMaximum Residence Time (MR)
5546 Curran Dr.Maximum Residence Time (MR)
4259 Desert ViewMaximum Residence Time (MR)
10635 Green ArborMaximum Residence Time (MR)
614 LamarMaximum Residence Time (MR)
130 KinderMaximum Residence Time (MR)
130 KinderMaximum Residence Time (MR)
5546 Curran Dr.Maximum Residence Time (MR)
15775 Flatten Rd.Maximum Residence Time (MR)
15775 Flatten Rd.Maximum Residence Time (MR)
807 DunwoodieMaximum Residence Time (MR)
5034 Crusade Dr.Maximum Residence Time (MR)
614 LamarMaximum Residence Time (MR)
614 LamarMaximum Residence Time (MR)
6219 Post MillMaximum Residence Time (MR)
4435 Ivan Dr.Maximum Residence Time (MR)
15775 Flatten Rd.Maximum Residence Time (MR)
15775 Flatten Rd.Maximum Residence Time (MR)
5922 RainmakerMaximum Residence Time (MR)
9402 WhitehallMaximum Residence Time (MR)
208 OklahomaMaximum Residence Time (MR)
5907 JeromeMaximum Residence Time (MR)
3727 Lenten RoseMaximum Residence Time (MR)
3727 Lenten RoseMaximum Residence Time (MR)
10510 Stonefield PlaceMaximum Residence Time (MR)
10510 Stonefield PlaceMaximum Residence Time (MR)
58 Burt RutanMaximum Residence Time (MR)
3727 Lenten RoseMaximum Residence Time (MR)
322 CreshamMaximum Residence Time (MR)
13111 Country TrailMaximum Residence Time (MR)
1610 SixpenceMaximum Residence Time (MR)
4806 RockfordMaximum Residence Time (MR)
5918 Cliff RidgeMaximum Residence Time (MR)
99 Sendero VerdeMaximum Residence Time (MR)
125 Grand OakMaximum Residence Time (MR)
116 Memory TrailMaximum Residence Time (MR)
DSMRT for SteinMaximum Residence Time (MR)
DSMRT for Wild TurkeyMaximum Residence Time (MR)

MARKET
Ground Water (GW)

MARKETEntry Point to the Distribution System (EP)

MISSION
Ground Water (GW)

MISSIONEntry Point to the Distribution System (EP)

ARTESIA
Ground Water (GW)

ARTESIAEntry Point to the Distribution System (EP)

SEALE ROAD
Ground Water (GW)

SEALE_ROADEntry Point to the Distribution System (EP)

34TH STREET
Ground Water (GW)

34TH_STREET_Entry Point to the Distribution System (EP)

BASIN
Ground Water (GW)

BASINEntry Point to the Distribution System (EP)

MARBACH
Ground Water (GW)

MARBACHEntry Point to the Distribution System (EP)

BABCOCK
Ground Water (GW)

BABCOCKEntry Point to the Distribution System (EP)

BASSE
Ground Water (GW)

BASSEEntry Point to the Distribution System (EP)

BRACKENRIDGE 13
Ground Water (GW)

BRACKENRIDGE_13Entry Point to the Distribution System (EP)

BRACKENRIDGE 14
Ground Water (GW)

BRACKENRIDGE_14Entry Point to the Distribution System (EP)

EP 000000000000013
Ground Water (GW)

EP_000000000000013Entry Point to the Distribution System (EP)

KLAUS
Ground Water (GW)

KLAUSEntry Point to the Distribution System (EP)

LACKLAND CITY 3
Ground Water (GW)

LACKLAND_CITY_3Entry Point to the Distribution System (EP)

LACKLAND CITY 6
Ground Water (GW)

LACKLAND_CITY_6Entry Point to the Distribution System (EP)

LACKLAND CITY 6A
Ground Water (GW)

LACKLAND_CITY_6AEntry Point to the Distribution System (EP)

NORTHWOOD
Ground Water (GW)

NORTHWOODEntry Point to the Distribution System (EP)

SUNSHINE
Ground Water (GW)

SUNSHINEEntry Point to the Distribution System (EP)

SUTTON
Ground Water (GW)

SUTTONEntry Point to the Distribution System (EP)

WALZEM
Ground Water (GW)

WALZEMEntry Point to the Distribution System (EP)

WOODLAKE
Ground Water (GW)

WOODLAKEEntry Point to the Distribution System (EP)

GATEWAY 1
Ground Water (GW)

GATEWAY_1Entry Point to the Distribution System (EP)

GATEWAY 2
Ground Water (GW)

GATEWAY_2Entry Point to the Distribution System (EP)

MALTSBERGER
Ground Water (GW)

MALTSBERGEREntry Point to the Distribution System (EP)

PIPERS MEADOW
Ground Water (GW)

PIPERS_MEADOWEntry Point to the Distribution System (EP)

BARBET 1
Ground Water (GW)

BARBET_1Entry Point to the Distribution System (EP)

BARBET 2
Ground Water (GW)

BARBET_2Entry Point to the Distribution System (EP)

LOMA LINDA
Ground Water (GW)

LOMA_LINDAEntry Point to the Distribution System (EP)

WEST AVENUE
Ground Water (GW)

WEST_AVENUE_Entry Point to the Distribution System (EP)

RANDOLPH
Ground Water (GW)

RANDOLPHEntry Point to the Distribution System (EP)

NACO 2-7
Ground Water (GW)

NACO_2-7Entry Point to the Distribution System (EP)

ANDERSON
Ground Water (GW)

ANDERSONEntry Point to the Distribution System (EP)

WURZBACH
Ground Water (GW)

WURZBACHEntry Point to the Distribution System (EP)

EP 000000000000045
Ground Water (GW)

EP_000000000000045Entry Point to the Distribution System (EP)

TURTLE CREEK 2
Ground Water (GW)

TURTLE_CREEK_2Entry Point to the Distribution System (EP)

TURTLE CREEK 3
Ground Water (GW)

TURTLE_CREEK_3Entry Point to the Distribution System (EP)

DREAMHILL
Ground Water (GW)

DREAMHILLEntry Point to the Distribution System (EP)

STAHL
Ground Water (GW)

STAHLEntry Point to the Distribution System (EP)

FAQ

Is San Antonio Water tap water safe to drink?

When was San Antonio Water last tested for water contamination?

The latest water samples were taken on May 14th, 2025.