Water Quality in SWINK, OK (74761)

EPA violation data for public water systems serving ZIP code 74761.

30

Total Violations

25

Health-Based

5

Monitoring / Reporting

28

Resolved

What does this mean?

28 of 30 violations have been resolved. 25 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 5 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: 2 Population served: 446

Violations Detail (30 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
LEAD AND COPPER RULE REVISIONSMonitoringN/AN/AOct 16, 2024ActiveN/A
LEAD AND COPPER RULE REVISIONSHealth-BasedN/AN/AOct 16, 2024ActiveN/A
TTHMHealth-BasedN/A0.089Jun 30, 2022ResolvedN/A
TTHMHealth-BasedN/A0.089Jun 30, 2022ResolvedN/A
TTHMHealth-BasedN/A0.089Jun 30, 2022ResolvedN/A
TTHMHealth-BasedN/A0.093Mar 31, 2022ResolvedN/A
TTHMHealth-BasedN/A0.093Mar 31, 2022ResolvedN/A
TTHMHealth-BasedN/A0.093Mar 31, 2022ResolvedN/A
TTHMHealth-BasedN/A0.096Dec 31, 2021ResolvedN/A
TTHMHealth-BasedN/A0.096Dec 31, 2021ResolvedN/A

Violation Timeline

2024(2)

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

2022(6)

TTHM

02

Jun 30Resolved

TTHM

02

Jun 30Resolved

TTHM

02

Jun 30Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

How Does This Compare?

SWINK (74761) has 30 recorded violations, including 25 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.

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.

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