CITY REPORT MS

Swan Lake, MS Water Safety: 66/100 (2026)

Name: Water Quality Data for Swan Lake, MS
Creator: ZipCheckup
License: https://creativecommons.org/licenses/by/4.0/

1 ZIP code · 1 water system · Updated 2026-07-19

ZipCheckup grade for Swan Lake: C.

A mixed picture - some signals here are worth your attention.

Swan Lake shows moderate tap water quality for MS - some areas carry documented EPA violations while others meet standards without issues.

How Swan Lake Compares

Swan Lake66/100

Mississippi avg81/100

National avg67/100

Data: EPA SDWIS Last verified: 2026-07-19

ZIP Codes

Water Systems

ZIPs with Violations

C · 66

Avg Safety Score

Zone 3

Radon Risk (Low)

Water Systems Serving Swan Lake

A single utility carries the primary residential water load in Swan Lake, MS - the dominant provider across 1 federally tracked system.

CHARLESTON UTILITIES
Serves ~3,100 people

C

Overview

We track water quality and home safety data for 1 ZIP code in Swan Lake, Mississippi, covering 1 community water system serving approximately 3,100 people.

No EPA violations are recorded for the tracked water systems in Swan Lake as of the latest reporting period.

Home Safety Score

Average Home Safety Score for Swan Lake: C (66/100)

The score combines three factors:

Factor	What It Measures
Water Quality	EPA violations and compliance history
Lead Levels	90th percentile lead concentration vs EPA action level
Radon Risk	EPA radon zone classification

Water Sources

Swan Lake water systems draw from: Groundwater.

Lead & Copper

Lead data: not yet available for Swan Lake
0 ZIP codes exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 3 (Low Risk)

Areas with No Violations

ZIP Code	Safety Score	System	Population
38958	C	CHARLESTON UTILITIES	3,100

All ZIP Codes in Swan Lake

38958 [C]

Data Sources

Water quality: EPA Safe Drinking Water Information System (SDWIS)
Lead/copper: EPA Lead and Copper Rule sampling data
Radon: EPA Map of Radon Zones

Updated daily.

CDC Health Data for Swan Lake

10.3%

Asthma (US: 9.8%)

18.9%

Diabetes (US: 10.4%)

18.1%

Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 10.3% ↑

Diabetes 18.9% ↑

Mental Health 18.1% ↑

Vertical line = national average. ■ Above national · ■ Below national

What You Can Do in Swan Lake

Test your water at home. City-level data shows averages - your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.

Deep Dive Reports

Detailed analysis for Swan Lake, MS

💧

Water Quality

EPA violations, contaminant data, and water system grades

0 EPA violations

Compare with Nearby Cities

Abbeville, MS

1 ZIP code · 5 EPA violations · Grade A

Aberdeen, MS

1 ZIP code · 6 EPA violations · Grade B

Ackerman, MS

1 ZIP code · 12 EPA violations · Grade A

Algoma, MS

1 ZIP code · 6 EPA violations · Grade B

Alligator, MS

1 ZIP code · 6 EPA violations · Grade A

Frequently Asked Questions

Is the water safe to drink in Swan Lake, MS?

Swan Lake has an average water safety score of 66/100 (Grade C). No EPA violations on record. Check individual ZIP code reports for details specific to your neighborhood.

How does Swan Lake compare to Mississippi average?

Swan Lake has an average water safety score of 66/100, which is below the Mississippi state average of 81/100.

How many water systems serve Swan Lake?

Swan Lake is served by 1 public water system across 1 ZIP code, serving approximately 3,100 people.

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