F0/100
BELLE FOURCHE — Water Quality Report 2026
Serving 5,617 people · South Dakota
Water Source
Groundwater
County
—
System ID
SD4600037
Violations
113
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2017.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About BELLE FOURCHE
Is BELLE FOURCHE water safe to drink?
BELLE FOURCHE water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 113 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has BELLE FOURCHE detected?
31 contaminants were tested in BELLE FOURCHE's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does BELLE FOURCHE have any EPA violations?
Yes, BELLE FOURCHE has 113 EPA violation(s) on record, with the most recent in 2017. Violation types include MR, MCL. 1 are health-based violations.
How many people does BELLE FOURCHE serve?
BELLE FOURCHE serves approximately 5,617 people, South Dakota. The system provides water to 1 community: Belle Fourche.
What type of water does BELLE FOURCHE provide?
BELLE FOURCHE sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is SD4600037.
How does BELLE FOURCHE compare to other utilities in South Dakota?
BELLE FOURCHE scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our South Dakota state page for a full comparison of water systems.