D21/100
FALL RIVER WUD — Water Quality Report 2026
Serving 1,057 people · South Dakota
Water Source
Groundwater
County
—
System ID
SD4602201
Violations
64
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: June 1, 2024 – June 30, 2024Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2022 – September 30, 2022Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
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 FALL RIVER WUD
Is FALL RIVER WUD water safe to drink?
FALL RIVER WUD water receives a grade of D (21/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 64 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has FALL RIVER WUD detected?
1 contaminants were tested in FALL RIVER WUD's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does FALL RIVER WUD have any EPA violations?
Yes, FALL RIVER WUD has 64 EPA violation(s) on record, with the most recent in 2024. Violation types include MON, MR, Other. 3 are health-based violations.
How many people does FALL RIVER WUD serve?
FALL RIVER WUD serves approximately 1,057 people, South Dakota. The system provides water to 1 community: Oral.
What type of water does FALL RIVER WUD provide?
FALL RIVER WUD sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is SD4602201.
How does FALL RIVER WUD compare to other utilities in South Dakota?
FALL RIVER WUD scores 21/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our South Dakota state page for a full comparison of water systems.