County Water Quality Report

Harrison County, Mississippi

1 public water system serving 75,056 residents

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?
County average grade
C
77/100
Utilities rated 1
Population served 75,056

Top water quality concerns in Harrison County

  • Haloacetic acids (HAA9) significantly above health guidelinein 1 of 1 utilities
  • Total trihalomethanes (TTHMs) significantly above health guidelinein 1 of 1 utilities
  • Haloacetic acids (HAA5) significantly above health guidelinein 1 of 1 utilities
  • Arsenic detectedin 1 of 1 utilities

All utilities in Harrison County

Click any utility for full grade card, contaminant data, and treatment plant contact info.

B
77/100

CITY OF GULFPORT

GULFPORT · 75,056 residents

Top concern: Haloacetic acids (HAA9) significantly above health guideline

View report →