Water Quality in Austin, TX (78620)
EPA violation data for public water systems serving ZIP code 78620.
Active Health Violations
22 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 98% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
22,860
Population
59
Water Systems
207
Violations (5yr)
22
Health-Based
Location
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Water Systems Serving This Area (59)
City Of Austin Water & Wastewater
1 health-based Surface water 1,115,323 people served
1 violation (5yr)
· 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
City Of San Marcos
Surface water 72,970 people served
0 violations
Lead tested: 1.63 ppb (limit: 15 ppb) ✓
City Of Pflugerville
3 health-based Surface water 63,464 people served
4 violations (5yr)
· 3 health-based · All resolved
Lead tested: 1.1 ppb (limit: 15 ppb) ✓
City Of Kyle
Purchased surface water 52,000 people served
0 violations
Lead tested: 1.91 ppb (limit: 15 ppb) ✓
Texas State University - San Marcos
Groundwater 43,552 people served
0 violations
Lead tested: 1.3 ppb (limit: 15 ppb) ✓
Goforth Sud
2 health-based Purchased surface water 34,893 people served
6 violations (5yr)
· 2 health-based · All resolved
County Line Sud
All resolved Purchased surface water 19,609 people served
2 violations (5yr)
· All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Dripping Springs Wsc
All resolved Purchased surface water 8,037 people served
2 violations (5yr)
· All resolved
Lead tested: 1.89 ppb (limit: 15 ppb) ✓
Barton Creek West Wsc
Purchased surface water 1,251 people served
0 violations
Lead tested: 1.88 ppb (limit: 15 ppb) ✓
La Ventana Water Supply System
1 health-based Groundwater 747 people served
4 violations (5yr)
· 1 health-based
Lead tested: 2.45 ppb (limit: 15 ppb) ✓
Chappell Hill Wsc
All resolved Groundwater 645 people served
1 violation (5yr)
· All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
3 G Wsc
Groundwater under influence of surface water 550 people served
41 violations (5yr)
Lead tested: 4.63 ppb (limit: 15 ppb) ✓
Cade Lakes Wsc
All resolved Groundwater 510 people served
1 violation (5yr)
· All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Goldenwood West Wsc
1 health-based Groundwater under influence of surface water 462 people served
4 violations (5yr)
· 1 health-based
Lead tested: 1 ppb (limit: 15 ppb) ✓
Oak Hill Fwsd 1
All resolved Groundwater 445 people served
1 violation (5yr)
· All resolved
Crystal City Detention Center
Groundwater 400 people served
0 violations
Hawks Shadow Winery
All resolved Purchased surface water 350 people served
4 violations (5yr)
· All resolved
Oak Forest Wsc
Groundwater 339 people served
0 violations
Lead tested: 0.6 ppb (limit: 15 ppb) ✓
Horseshoe Ridge Rv Resort
Groundwater 300 people served
0 violations
Solaro Estate Winery
Purchased surface water 289 people served
0 violations
Memory Lane Event Center
All resolved Purchased surface water 250 people served
1 violation (5yr)
· All resolved
Fitzhugh Texas Brewpub
Purchased surface water 250 people served
4 violations (5yr)
The Fitz Rv Resort
Purchased surface water 222 people served
0 violations
Clay Wsc
9 health-based Groundwater 210 people served
18 violations (5yr)
· 9 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Ma Maison Event Venue
Purchased surface water 150 people served
0 violations
Lucky Arrow Retreat
All resolved Purchased surface water 142 people served
5 violations (5yr)
· All resolved
Havenwood Nature School
All resolved Purchased surface water 130 people served
6 violations (5yr)
· All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Vista Del Rio
3 health-based Groundwater 126 people served
13 violations (5yr)
· 3 health-based · All resolved
Lead tested: 3.95 ppb (limit: 15 ppb) ✓ Copper tested: 1590 ppb (limit: 1300 ppb)
Hamilton Market
Groundwater 125 people served
0 violations
12 Fox Beer
All resolved Purchased surface water 125 people served
10 violations (5yr)
· All resolved
Ghost Note Brewery
Groundwater 100 people served
0 violations
Hhs Corporate Campus
1 health-based Groundwater 100 people served
4 violations (5yr)
· 1 health-based · All resolved
Lead tested: 0.26 ppb (limit: 15 ppb) ✓
Cottonwood Creek Rv Park
Groundwater 80 people served
5 violations (5yr)
Henly Rv Park
Groundwater 60 people served
0 violations
Barton Springs Mill
Purchased surface water 50 people served
0 violations
Hill Country Scout Ranch
Groundwater 48 people served
0 violations
Graner Holdings
Purchased surface water 42 people served
0 violations
The 3907 Red River Water System
Groundwater 40 people served
0 violations
Pure Class Water Hauling
Purchased surface water 40 people served
2 violations (5yr)
Hill Country Casitas
Groundwater 30 people served
0 violations
Driftwood Golf And Ranch Club
Purchased surface water 28 people served
3 violations (5yr)
C&S Rabbit Ranch
Groundwater 26 people served
0 violations
Sports Country
Groundwater 25 people served
0 violations
Dripping Springs Public Library
Groundwater 25 people served
0 violations
H2o2u Water Delivery
Purchased surface water 25 people served
0 violations
City Of Dripping Springs
Purchased surface water 25 people served
0 violations
Texas Bulk Water
All resolved Purchased surface water 25 people served
1 violation (5yr)
· All resolved
Hamilton Pool Bulk Water
All resolved Purchased surface water 25 people served
1 violation (5yr)
· All resolved
Dripping Springs Bulk Water Delivery
Purchased surface water 0
0 violations
Richards Rainwater
Surface water 0
0 violations
Dripping Springs Dental Clinic
Groundwater 0
0 violations
Bee Cave Drilling And Water Delivery
Purchased surface water 0
0 violations
Agua Dulce Water Delivery
Purchased surface water 0
0 violations
Northridge Wsc
Purchased surface water 0
0 violations
Sandy Beach Recreational Park
Purchased surface water 0
0 violations
Hidden Springs Events
Groundwater 0
0 violations
Country Place Northwest
Groundwater 0
0 violations
Core Health Care
1 health-based Groundwater 0
63 violations (5yr)
· 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Hamilton Pool H2o
Purchased surface water 0
0 violations
Contaminants Found
Lead and Copper RuleHealth-Based
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
22 violations
All resolved
Interim Enhanced Surface Water Treatment RuleHealth-Based
21 violations
All resolved
TTHMHealth-Based
16 violations
All resolved
LEAD AND COPPER RULE REVISIONSHealth-Based
10 violations
All resolved
Public NoticeMonitoring
35 violations
Has active
Revised Total Coliform RuleMonitoring
Missed testing deadlines — not a detection of bacteria.
34 violations
All resolved
NitrateMonitoring
At high levels, nitrate can cause blue baby syndrome in infants.
5 violations
All resolved
ChlorineMonitoring
Used to disinfect water — generally safe at regulated levels.
3 violations
All resolved
Consumer Confidence RuleMonitoring
Annual water quality report delivery requirement.
2 violations
All resolved
E. COLIMonitoring
2 violations
Has active
cis-1,2-DichloroethyleneMonitoring
1 violation
All resolved
HeptachlorMonitoring
1 violation
All resolved
EthylbenzeneMonitoring
1 violation
All resolved
Vinyl chlorideMonitoring
1 violation
All resolved
BHC-GAMMAMonitoring
1 violation
All resolved
ToxapheneMonitoring
1 violation
All resolved
1,2-DichloroethaneMonitoring
1 violation
All resolved
p-DichlorobenzeneMonitoring
1 violation
All resolved
DICHLOROMETHANEMonitoring
1 violation
All resolved
SimazineMonitoring
1 violation
All resolved
StyreneMonitoring
1 violation
All resolved
EndrinMonitoring
1 violation
All resolved
MethoxychlorMonitoring
1 violation
All resolved
TolueneMonitoring
1 violation
All resolved
LASSOMonitoring
1 violation
All resolved
TrichloroethyleneMonitoring
1 violation
All resolved
ChlordaneMonitoring
1 violation
All resolved
1,2-DichloropropaneMonitoring
1 violation
All resolved
HexachlorocyclopentadieneMonitoring
1 violation
All resolved
Xylenes, TotalMonitoring
1 violation
All resolved
1,1-DichloroethyleneMonitoring
1 violation
All resolved
Di(2-ethylhexyl) adipateMonitoring
1 violation
All resolved
PentachlorophenolMonitoring
1 violation
All resolved
1,2,4-TrichlorobenzeneMonitoring
1 violation
All resolved
Benzo(a)pyreneMonitoring
1 violation
All resolved
Carbon tetrachlorideMonitoring
1 violation
All resolved
trans-1,2-DichloroethyleneMonitoring
1 violation
All resolved
1,1,2-TrichloroethaneMonitoring
1 violation
All resolved
1,1,1-TrichloroethaneMonitoring
1 violation
All resolved
o-DichlorobenzeneMonitoring
1 violation
All resolved
AtrazineMonitoring
1 violation
All resolved
Di(2-ethylhexyl) phthalateMonitoring
1 violation
All resolved
HEXACHLOROBENZENEMonitoring
1 violation
All resolved
TetrachloroethyleneMonitoring
1 violation
All resolved
Heptachlor epoxideMonitoring
1 violation
All resolved
CHLOROBENZENEMonitoring
1 violation
All resolved
BenzeneMonitoring
1 violation
All resolved
FluorideMonitoring
1 violation
All resolved
Lead & Copper Levels
Lead (Pb)
Within limit0 ppb measured
Action level: 15 ppb
Sampled: Jan 2025
Copper (Cu)
Exceeds limit1590 ppb measured
Action level: 1300 ppb
Sampled: Jan 2024
How Does This Compare?
Austin (78620) has more violations than 98% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 207.
Fewer violations 98th 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
Activated Carbon Filter
Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.
Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor
Look for:NSF/ANSI 42 & 53 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.