Water Quality in Spearfish, SD
47 water systems serving 16,964 people
City Overview
Average lead detection across Spearfish water systems is 2.6 ppb (Low). The EPA action level is 15 ppb.
Violation Summary
| Total violations on record | 3451 |
| Health-based violations | 533 |
| Lead action level violations | 0 |
| Open (unresolved) violations | 0 |
Water Systems in Spearfish
Frequently Asked Questions
Is Spearfish tap water safe to drink?
Spearfish tap water meets EPA standards for most contaminants. Review the individual water system pages below for the latest lead sample results and violation history.
What is the water quality in Spearfish, South Dakota?
Spearfish has 47 public water systems serving approximately 16,964 people. The average lead level across sampled systems is 2.6 ppb. There are 3451 total violations on record.
Does Spearfish have lead in the water?
EPA monitoring data shows an average lead detection of 2.6 ppb across Spearfish's water systems. The EPA action level is 15 ppb. No lead action level violations are currently reported.
How many water utilities serve Spearfish?
47 public water systems are registered in Spearfish, South Dakota with the EPA Safe Drinking Water Information System. Together they serve approximately 16,964 people.