Water Quality in Houston, TX (77002)
EPA violation data for public water systems serving ZIP code 77002.
Active Health Violations
7 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 99% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
21,015
Population
95
Water Systems
212
Violations (5yr)
7
Health-Based
Location
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Water Systems Serving This Area (95)
City Of Houston
1 health-based Surface water 2,970,543 people served
1 violation (5yr)
· 1 health-based · All resolved
Lead tested: 5 ppb (limit: 15 ppb) ✓
City Of Pasadena
Purchased surface water 152,000 people served
3 violations (5yr)
Lead tested: 3.72 ppb (limit: 15 ppb) ✓
Houston-Ridgemont Area
Purchased surface water 10,911 people served
0 violations
Windfern Forest Utility District
Purchased surface water 7,170 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb) ✓
Montgomery County Mud 9
Groundwater 5,949 people served
0 violations
Lead tested: 0.96 ppb (limit: 15 ppb) ✓
Harris County Mud 43
All resolved Groundwater 5,940 people served
1 violation (5yr)
· All resolved
Lead tested: 2.05 ppb (limit: 15 ppb) ✓
Harris County Mud 179
Purchased surface water 5,115 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb) ✓
Harris County Mud 221
Groundwater 4,839 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb) ✓
Houston City Of-Scarsdale Mud
Groundwater 4,791 people served
0 violations
Harris County Mud 203
Groundwater 4,026 people served
0 violations
First Colony Mud No 6
Purchased groundwater 3,039 people served
0 violations
Hco Mud No 15
Groundwater 3,009 people served
0 violations
Harris County Facility & Property Mgmt
1 health-based Groundwater 3,000 people served
46 violations (5yr)
· 1 health-based · All resolved
Houston Memorial West Area
Groundwater 3,000 people served
0 violations
Hco Mud No 98 - Westhollow
Groundwater 2,919 people served
0 violations
Hco Mud No 139
Groundwater 2,712 people served
0 violations
Brazoria County Mud 19
Groundwater 2,646 people served
0 violations
Houston - Westheimer Rd Mud
Groundwater 2,448 people served
0 violations
Burlington Colony Mud
Purchased groundwater 2,300 people served
0 violations
Brazoria County Mud 17
Groundwater 2,229 people served
0 violations
Westcrest U D
Purchased groundwater 1,500 people served
0 violations
Downey'S Carey Creek Club
Groundwater 900 people served
0 violations
City Of Houston Harris County Mud 266
Groundwater 792 people served
0 violations
Lyric Center
Purchased groundwater 500 people served
0 violations
Shell Station: 30 Lackey Dam Road
Groundwater 500 people served
0 violations
Hco Mud No 184
Purchased groundwater 450 people served
0 violations
Harris County Mud 366
Purchased groundwater 450 people served
0 violations
Midland East Rv Park
Groundwater 420 people served
0 violations
Nrg W A Parish Electric Generating Stati
Groundwater 275 people served
0 violations
Lead tested: 0.3 ppb (limit: 15 ppb) ✓
Limestone Electric Generating Facility
Groundwater 275 people served
0 violations
Lead tested: 0.4 ppb (limit: 15 ppb) ✓
George Bush Youth Soccer Complex
Groundwater 250 people served
0 violations
Harris Cnty Mud 355
Groundwater 229 people served
0 violations
St Leo The Great Catholic Parish
All resolved Groundwater 200 people served
3 violations (5yr)
· All resolved
Houston-Domestic Water Hauling
Purchased groundwater 135 people served
0 violations
Harris County Leadership Academy
1 health-based Groundwater 125 people served
54 violations (5yr)
· 1 health-based
Camp Mirror Lake - Ymca
Groundwater 120 people served
0 violations
St Dominic Catholic Church
1 health-based Groundwater 100 people served
3 violations (5yr)
· 1 health-based
Lead tested: 1.46 ppb (limit: 15 ppb) ✓
Hilcorp Carter Creek Gas Plant
Surface water 80 people served
0 violations
Lead tested: 7 ppb (limit: 15 ppb) ✓
Carver Place Subd-Peoples Util
Groundwater 60 people served
0 violations
T H Wharton Electric Generating Station
Groundwater 60 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb) ✓
Harris County Sheriffs Substation
1 health-based Groundwater 60 people served
52 violations (5yr)
· 1 health-based · All resolved
Houston Southwest Airport
1 health-based Groundwater 57 people served
3 violations (5yr)
· 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Cedar Bayou Electric Generating
Groundwater 56 people served
0 violations
Lead tested: 1.06 ppb (limit: 15 ppb) ✓
Tropicana Apts. - P. Crayne
Groundwater 55 people served
0 violations
Next Wave Energy Partners
Groundwater 51 people served
1 violation (5yr)
Lead tested: 1.1 ppb (limit: 15 ppb) ✓
Hco Pk Sys-Squatty Lyons Field
Groundwater 50 people served
0 violations
Houston City Of-Anti Poll Lake Pat
Groundwater 50 people served
0 violations
Nrg Texas W A Parish Gas Plant
Groundwater 50 people served
0 violations
Hco Library - Baldwin Boetcher Br
Groundwater 50 people served
0 violations
Harris County Pct 4 W L Bill Bane Park
Groundwater 50 people served
0 violations
Hco Pk Sys-Melrose Pk-Pct 4
Groundwater 50 people served
0 violations
Harris County Pct 4 Mercer Park
Groundwater 50 people served
0 violations
Kinder Morgan Southtex Treaters
Groundwater 48 people served
0 violations
Lead tested: 0.99 ppb (limit: 15 ppb) ✓
Gulf Coast Fractionators
All resolved Groundwater 48 people served
1 violation (5yr)
· All resolved
Lead tested: 1.76 ppb (limit: 15 ppb) ✓
Camp Kappe
Groundwater 42 people served
0 violations
Desoto Place-Peoples Util.
Groundwater 40 people served
0 violations
Copano Processing Houston Central Gas Pl
Groundwater 40 people served
0 violations
Maverick Resources
All resolved Groundwater 38 people served
24 violations (5yr)
· All resolved
Hco Pk Sys-Gessner Rd Pct 4
Groundwater 35 people served
0 violations
Coolidge Place Subd-Peoples Ut
Groundwater 30 people served
0 violations
Wynnwood Acres-Peoples Util Co
Groundwater 30 people served
0 violations
International Subd-Peoples Uti
Groundwater 30 people served
0 violations
Kentshire-Peoples Util Co.
Groundwater 26 people served
0 violations
Leeland Subd-Peoples Util Co.
Groundwater 26 people served
0 violations
C P & C Transport Inc
Groundwater 26 people served
0 violations
Hco Pks & Rec Dept
Groundwater 26 people served
0 violations
Mesa Petroleum Company-Saturn
Purchased groundwater 25 people served
0 violations
Mesa Petroleum Co-Seawolf
Purchased groundwater 25 people served
0 violations
Galveston Co Mud 6
Groundwater 25 people served
0 violations
Cibolo Creek Ranch
All resolved Groundwater 25 people served
12 violations (5yr)
· All resolved
Stephens Ranch Wind Farm
1 health-based Purchased groundwater 25 people served
2 violations (5yr)
· 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Blue Creek Builders
Groundwater 25 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb) ✓
Southwestern Bell-Bammell Office
Groundwater 24 people served
0 violations
Tennessee Gas Pipeline East Bernard 17
All resolved Groundwater 22 people served
1 violation (5yr)
· All resolved
Lead tested: 18 ppb (limit: 15 ppb)
Piloncillo Ranch 8 Plex Office
Purchased groundwater 15 people served
0 violations
Divoky Mhp
Groundwater 9 people served
0 violations
Sable Permian Resources
Groundwater 7 people served
0 violations
Circle T Mud No 3
Groundwater 1 people served
0 violations
Circle T Mud No 3
Groundwater 1 people served
0 violations
Fort Bend Co Mud 113
Groundwater 1 people served
0 violations
Fort Bend Cnty Mud 120
Groundwater 1 people served
0 violations
City Of Houston Hunterwood
Groundwater 0
0 violations
Grimes County Mud 1
Groundwater 0
0 violations
City Of Houston Spanish Cove Subdivision
Purchased groundwater 0
0 violations
Greens Bayou Electric Generating Station
Groundwater 0
0 violations
Bosque Power Water Supply
Groundwater 0
0 violations
Harris County Pct 2 Dow Park 1
All resolved Groundwater 0
5 violations (5yr)
· All resolved
National Smart Healthcare Services
Groundwater 0
0 violations
S R Bertron Electric Generating Station
Groundwater 0
0 violations
Hctra Lynchburg Faciility
Groundwater 0
0 violations
Golden Pass Lng Terminal
Purchased surface water 0
0 violations
City Of Houston Harris County Mud 159
Groundwater 0
0 violations
Fryburg Rail Facility-Temp Housing
Purchased surface water 0
0 violations
Flexsteel Manufacturing Facility
Groundwater 0
0 violations
Harris County Pct 3 New Kentucky Park
Purchased surface water 0
0 violations
Contaminants Found
LEAD AND COPPER RULE REVISIONSHealth-Based
12 violations
Has active
Interim Enhanced Surface Water Treatment RuleHealth-Based
1 violation
All resolved
Public NoticeMonitoring
15 violations
Has active
Revised Total Coliform RuleMonitoring
Missed testing deadlines — not a detection of bacteria.
15 violations
All resolved
1,1,1-TrichloroethaneMonitoring
5 violations
All resolved
TolueneMonitoring
5 violations
All resolved
NitrateMonitoring
At high levels, nitrate can cause blue baby syndrome in infants.
5 violations
All resolved
1,2,4-TrichlorobenzeneMonitoring
5 violations
All resolved
BenzeneMonitoring
5 violations
All resolved
EthylbenzeneMonitoring
5 violations
All resolved
1,2-DichloroethaneMonitoring
5 violations
All resolved
trans-1,2-DichloroethyleneMonitoring
5 violations
All resolved
TetrachloroethyleneMonitoring
5 violations
All resolved
o-DichlorobenzeneMonitoring
5 violations
All resolved
Carbon tetrachlorideMonitoring
5 violations
All resolved
CHLOROBENZENEMonitoring
5 violations
All resolved
1,2-DichloropropaneMonitoring
5 violations
All resolved
StyreneMonitoring
5 violations
All resolved
1,1,2-TrichloroethaneMonitoring
5 violations
All resolved
TrichloroethyleneMonitoring
5 violations
All resolved
p-DichlorobenzeneMonitoring
5 violations
All resolved
DICHLOROMETHANEMonitoring
5 violations
All resolved
Vinyl chlorideMonitoring
5 violations
All resolved
cis-1,2-DichloroethyleneMonitoring
5 violations
All resolved
Xylenes, TotalMonitoring
5 violations
All resolved
1,1-DichloroethyleneMonitoring
5 violations
All resolved
Lead and Copper RuleMonitoring
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
4 violations
Has active
E. COLIMonitoring
3 violations
All resolved
HEXACHLOROBENZENEMonitoring
2 violations
All resolved
BHC-GAMMAMonitoring
2 violations
All resolved
EndrinMonitoring
2 violations
All resolved
PentachlorophenolMonitoring
2 violations
All resolved
SimazineMonitoring
2 violations
All resolved
Heptachlor epoxideMonitoring
2 violations
All resolved
Di(2-ethylhexyl) phthalateMonitoring
2 violations
All resolved
HexachlorocyclopentadieneMonitoring
2 violations
All resolved
AtrazineMonitoring
2 violations
All resolved
Benzo(a)pyreneMonitoring
2 violations
All resolved
MethoxychlorMonitoring
2 violations
All resolved
HeptachlorMonitoring
2 violations
All resolved
ChlordaneMonitoring
2 violations
All resolved
Di(2-ethylhexyl) adipateMonitoring
2 violations
All resolved
ToxapheneMonitoring
2 violations
All resolved
LASSOMonitoring
2 violations
All resolved
TTHMMonitoring
1 violation
All resolved
Total Haloacetic Acids (HAA5)Monitoring
1 violation
All resolved
1,2-DIBROMO-3-CHLOROPROPANEMonitoring
1 violation
All resolved
Antimony, TotalMonitoring
1 violation
All resolved
MercuryMonitoring
1 violation
All resolved
FluorideMonitoring
1 violation
All resolved
ETHYLENE DIBROMIDEMonitoring
1 violation
All resolved
ChromiumMonitoring
1 violation
All resolved
Thallium, TotalMonitoring
1 violation
All resolved
CadmiumMonitoring
1 violation
All resolved
Beryllium, TotalMonitoring
1 violation
All resolved
BariumMonitoring
1 violation
All resolved
SeleniumMonitoring
1 violation
All resolved
ArsenicMonitoring
A naturally occurring element that can cause cancer and other health effects at high levels.
1 violation
All resolved
Lead & Copper Levels
Lead (Pb)
Within limit1.1 ppb measured
Action level: 15 ppb
Sampled: Jan 2025
How Does This Compare?
Houston (77002) has more violations than 99% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 212.
Fewer violations 99th percentile More violations
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.