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Water system · PWSID NE3104309

SOUTH SIOUX CITY, CITY OF

SOUTH SIOUX CITY, NE · ~14,043 people served

Check your exact address → SOUTH SIOUX CITY overview
100
Excellent
PurityRadar safety score

PWSID

NE3104309

State

Nebraska

City

SOUTH SIOUX CITY

Population served

14,043

Primary source

GUP

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 100

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

Latest detections from EPA’s UCMR5 monitoring (through Aug 2024). Levels in parts per trillion (ppt).

Lithium

70,100 ppt

limit —

No federal limit

Violations & enforcement

1

Violations on record

0

Unaddressed

1

Health-based

4

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2001. Official EPA record →

Max contaminant level (MCL) · Total coliform health-based began Aug 2000 Resolved

Recent enforcement actions

  • State action · SOX Aug 2001
  • State action · SIF Sep 2000
  • State action · SIA Sep 2000
  • State action · SIE Sep 2000

This profile is built from EPA public records for system NE3104309 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.