Water Quality in Zapata, TX (78076)

EPA violation data for public water systems serving ZIP code 78076.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

13,123

Population

19

Water Systems

86

Violations (5yr)

16

Health-Based

Location

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Water Systems Serving This Area (19)

Zapata County Waterworks Swtp

1 health-based
Surface water 13,736 people served
3 violations (5yr) · 1 health-based · All resolved
Lead tested: 1.9 ppb (limit: 15 ppb)

Siesta Shores Wcid

Surface water 1,842 people served
8 violations (5yr)
Lead tested: 0 ppb (limit: 15 ppb)

Zapata County San Ygnacio And Ramireno

14 health-based
Surface water 1,254 people served
72 violations (5yr) · 14 health-based
Lead tested: 1.6 ppb (limit: 15 ppb)

Lakefront Lodge

Surface water 750 people served
0 violations

Four Seasons Trailer Park

Surface water 350 people served
0 violations

Zapata County Wcid Hwy 16 East

1 health-based
Purchased surface water 243 people served
3 violations (5yr) · 1 health-based · All resolved

Beacon Lodge

Surface water 125 people served
0 violations

Sunset Villa Trailer Park

Surface water 100 people served
0 violations

El Tigre Island

Groundwater 75 people served
0 violations

Paradise Point Lodge

Surface water 60 people served
0 violations

Falcon Mesa Subd.

Purchased surface water 50 people served
0 violations

Lake Side Trailer Park

Purchased surface water 40 people served
0 violations

Ballard'S Falcon Lake Shore Lo

Surface water 40 people served
0 violations

Bell Camp

Groundwater 25 people served
0 violations

Bob'S Knob

Surface water 14 people served
0 violations

Twin Cove Resort

Surface water 10 people served
0 violations

Cox Camp

Surface water 2 people served
0 violations

Ramireno Wsc

Purchased surface water 0
0 violations

Shady Haven Four Seasons Rv & Mhp

Purchased surface water 0
0 violations

Contaminants Found

Interim Enhanced Surface Water Treatment RuleHealth-Based
19 violations
All resolved
TTHMHealth-Based
5 violations
All resolved
LEAD AND COPPER RULE REVISIONSHealth-Based
4 violations
Has active
Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

2 violations
All resolved
Lead and Copper RuleMonitoring

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

7 violations
Has active
Public NoticeMonitoring
7 violations
Has active
Surface Water Treatment RuleMonitoring
5 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

3 violations
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
1.6 ppb measured Action level: 15 ppb

Sampled: Jul 2025

How Does This Compare?

Zapata (78076) has more violations than 95% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 86.

Fewer violations 95th 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

UV Water Purifier

Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.

Targets:E. coli, Coliform, Giardia, Cryptosporidium

Look for:NSF/ANSI 55 (Class A) 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.

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