F0/100
OGLALA RWS PIPELINE — Water Quality Report 2026
Serving 3,562 people · South Dakota
Water Source
Groundwater
County
—
System ID
084690480
Violations
49
Contaminant Test Results
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2024 – December 31, 2024Rule: Revised Total Coliform 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 OGLALA RWS PIPELINE
Is OGLALA RWS PIPELINE water safe to drink?
OGLALA RWS PIPELINE water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 49 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has OGLALA RWS PIPELINE detected?
31 contaminants were tested in OGLALA RWS PIPELINE's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does OGLALA RWS PIPELINE have any EPA violations?
Yes, OGLALA RWS PIPELINE has 49 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, TT, MCL. 22 are health-based violations.
How many people does OGLALA RWS PIPELINE serve?
OGLALA RWS PIPELINE serves approximately 3,562 people, South Dakota.
What type of water does OGLALA RWS PIPELINE provide?
OGLALA RWS PIPELINE sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is 084690480.
How does OGLALA RWS PIPELINE compare to other utilities in South Dakota?
OGLALA RWS PIPELINE 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.