Water Quality in COUPLAND, TX (78615)

EPA violation data for public water systems serving ZIP code 78615.

13

Total Violations

5

Health-Based

8

Monitoring / Reporting

11

Resolved

What does this mean?

11 of 13 violations have been resolved. 5 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 8 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: 1 Population served: 39,648

Violations Detail (13 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
TTHMHealth-BasedN/A0.094Jun 30, 2025ResolvedN/A
TTHMMonitoringN/AN/AJun 4, 2025ActiveN/A
TTHMMonitoringN/AN/AJun 4, 2025ActiveN/A
E. COLIMonitoring0N/AApr 8, 2025ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AApr 8, 2025ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AApr 8, 2025ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
TTHMHealth-BasedN/A0.09Mar 31, 2025ResolvedN/A
TTHMHealth-BasedN/A0.081Dec 31, 2024ResolvedN/A
TTHMHealth-BasedN/A0.081Dec 31, 2024ResolvedN/A
TTHMHealth-BasedN/A0.081Dec 31, 2024ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(7)

TTHM

02

Jun 30Resolved

TTHM

35

Jun 4Active

TTHM

35

Jun 4Active

E. COLI

34

Apr 8Resolved

E. COLI

34

Apr 8Resolved

E. COLI

34

Apr 8Resolved

TTHM

02

Mar 31Resolved

2024(6)

TTHM

02

Dec 31Resolved

TTHM

02

Dec 31Resolved

TTHM

02

Dec 31Resolved

E. COLI

34

Oct 15Resolved

E. COLI

34

Oct 15Resolved

E. COLI

34

Oct 15Resolved

How Does This Compare?

COUPLAND (78615) has 13 recorded violations, including 5 health-based. 2 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.

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.

Nearby ZIP Codes

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