F0/100
ROSEBUD RURAL WATER SYSTEM — Water Quality Report 2026
Serving 5,500 people · South Dakota
Water Source
Groundwater
County
—
System ID
084690528
Violations
130
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | < 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
5
Violations (last 5yr)
2
Unresolved
2
Health-Related
TIER 3Unresolved
Reporting violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
TIER 2Unresolved
Treatment technique violation
TIER 3Resolved
Monitoring violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: November 11, 2023 – December 4, 2023Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: November 1, 2022 – December 12, 2022Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Violation related to Consumer Confidence Report
When: June 2, 2021 – November 4, 2021Rule: Consumer Confidence RuleEnforcement: 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 ROSEBUD RURAL WATER SYSTEM
Is ROSEBUD RURAL WATER SYSTEM water safe to drink?
ROSEBUD RURAL WATER SYSTEM water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 130 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has ROSEBUD RURAL WATER SYSTEM detected?
31 contaminants were tested in ROSEBUD RURAL WATER SYSTEM's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does ROSEBUD RURAL WATER SYSTEM have any EPA violations?
Yes, ROSEBUD RURAL WATER SYSTEM has 130 EPA violation(s) on record, with the most recent in 2024. Violation types include RPT, TT, MR. 3 are health-based violations.
How many people does ROSEBUD RURAL WATER SYSTEM serve?
ROSEBUD RURAL WATER SYSTEM serves approximately 5,500 people, South Dakota.
What type of water does ROSEBUD RURAL WATER SYSTEM provide?
ROSEBUD RURAL WATER SYSTEM sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is 084690528.
How does ROSEBUD RURAL WATER SYSTEM compare to other utilities in South Dakota?
ROSEBUD RURAL WATER SYSTEM 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.