Water Quality in Edinburg, TX (78570)

EPA violation data for public water systems serving ZIP code 78570.

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

34,348

Population

14

Water Systems

80

Violations (5yr)

9

Health-Based

Location

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Water Systems Serving This Area (14)

Mcallen Public Utility

Surface water 189,957 people served
0 violations
Lead tested: 2.3 ppb (limit: 15 ppb)

North Alamo Wsc

All resolved
Surface water 171,195 people served
2 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

City Of Edinburg

2 health-based
Surface water 85,224 people served
6 violations (5yr) · 2 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

City Of Pharr

Surface water 79,715 people served
0 violations
Lead tested: 1.09 ppb (limit: 15 ppb)

City Of Mission

All resolved
Surface water 77,058 people served
16 violations (5yr) · All resolved

Sharyland Wsc

Surface water 68,562 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb)

Agua Sud

1 health-based
Surface water 52,137 people served
1 violation (5yr) · 1 health-based · All resolved
Lead tested: 0.8 ppb (limit: 15 ppb)

City Of Weslaco

1 health-based
Surface water 40,033 people served
4 violations (5yr) · 1 health-based
Lead tested: 1.5 ppb (limit: 15 ppb)

City Of San Juan

Surface water 30,000 people served
0 violations

City Of Mercedes

1 health-based
Surface water 16,258 people served
3 violations (5yr) · 1 health-based
Lead tested: 3.74 ppb (limit: 15 ppb)

Llano Grande Lake Park East

3 health-based
Purchased surface water 1,300 people served
25 violations (5yr) · 3 health-based
Lead tested: 0 ppb (limit: 15 ppb)

Llano Grande Lake Park West

1 health-based
Purchased surface water 300 people served
23 violations (5yr) · 1 health-based
Lead tested: 0 ppb (limit: 15 ppb)

Llano Grande Golf Course

Groundwater 0
0 violations

Cortinos Restaurant

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.

27 violations
Has active
LEAD AND COPPER RULE REVISIONSHealth-Based
4 violations
Has active
TTHMHealth-Based
3 violations
All resolved
ChloriteHealth-Based
2 violations
All resolved
Public NoticeMonitoring
14 violations
Has active
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

7 violations
All resolved
NitriteMonitoring

Similar to nitrate — harmful to infants at high levels.

2 violations
All resolved
Chlorine dioxideMonitoring
1 violation
All resolved
ChlordaneMonitoring
1 violation
All resolved
HeptachlorMonitoring
1 violation
All resolved
EndrinMonitoring
1 violation
All resolved
Heptachlor epoxideMonitoring
1 violation
All resolved
HEXACHLOROBENZENEMonitoring
1 violation
All resolved
Di(2-ethylhexyl) adipateMonitoring
1 violation
All resolved
LASSOMonitoring
1 violation
All resolved
Di(2-ethylhexyl) phthalateMonitoring
1 violation
All resolved
Benzo(a)pyreneMonitoring
1 violation
All resolved
ToxapheneMonitoring
1 violation
All resolved
BHC-GAMMAMonitoring
1 violation
All resolved
MethoxychlorMonitoring
1 violation
All resolved
HexachlorocyclopentadieneMonitoring
1 violation
All resolved
PentachlorophenolMonitoring
1 violation
All resolved
AtrazineMonitoring
1 violation
All resolved
SimazineMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Edinburg (78570) has more violations than 95% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 80.

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

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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