Water Quality in LEANDER, TX (78641)

EPA violation data for public water systems serving ZIP code 78641.

299

Total Violations

4

Health-Based

295

Monitoring / Reporting

287

Resolved

What does this mean?

287 of 299 violations have been resolved. 4 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 295 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.

Water systems: 20 Population served: 7,561

Violations Detail (299 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Lead and Copper RuleMonitoringN/AN/ASep 28, 2025ActiveN/A
Public NoticeMonitoringN/AN/AAug 17, 2025ActiveN/A
Revised Total Coliform RuleHealth-BasedN/AN/AJun 27, 2025ActiveN/A
Revised Total Coliform RuleHealth-BasedN/AN/AJun 27, 2025ActiveN/A
Public NoticeMonitoringN/AN/AApr 30, 2025ActiveN/A
E. COLIMonitoring0N/AApr 28, 2025ActiveSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AApr 28, 2025ActiveSevere gastrointestinal illness; may be fatal in vulnerable populations
ChlorineMonitoringN/AN/AMar 31, 2025ResolvedEye and nose irritation; stomach discomfort
Lead and Copper RuleMonitoringN/AN/ADec 31, 2024ResolvedN/A
Lead and Copper RuleMonitoringN/AN/ADec 31, 2024ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(8)

Lead and Copper Rule

66

Sep 28Active

Public Notice

75

Aug 17Active

Revised Total Coliform Rule

2A

Jun 27Active

Revised Total Coliform Rule

2A

Jun 27Active

Public Notice

75

Apr 30Active

E. COLI

34

Apr 28Active

E. COLI

34

Apr 28Active

Chlorine

27

Mar 31Resolved

2024(12)

Lead and Copper Rule

52

Dec 31Resolved

Lead and Copper Rule

52

Dec 31Resolved

Lead and Copper Rule

52

Dec 31Resolved

Lead and Copper Rule

52

Dec 31Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Active

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Active

Lead and Copper Rule

52

Jun 30Resolved

Lead and Copper Rule

52

Jun 30Resolved

Lead and Copper Rule

52

Jun 30Resolved

Lead and Copper Rule

52

Jun 30Resolved

How Does This Compare?

LEANDER (78641) has 299 recorded violations, including 4 health-based. 12 remain unresolved. Consider testing your tap water independently for added peace of mind.

Recommended Water Filters

Based on the contaminants detected in your area, these filter types may help improve your water quality.

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

NSF Certified Products → EPA Safe Drinking Water Guide →

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

NSF Certified Products → EPA Safe Drinking Water Guide →

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

NSF Certified Products → EPA Safe Drinking Water Guide →

Always look for filters certified by NSF International for the specific contaminants you want to remove.

Nearby ZIP Codes

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