B77/100

WANBLEE EAST — Water Quality Report 2026

Serving 2,179 people · South Dakota

Water Source
Purchased Surface Water
County
System ID
084690021
Violations
8

Contaminant Test Results

1 contaminant above EPA health goals
ContaminantDetectedLimit (MCL)Status
Lead (90th percentile)
0.003 mg/L0.015 mg/LAbove Goal

EPA Violation History

3

Violations (last 5yr)

0

Unresolved

2

Health-Related

TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: April 1, 2025 – June 30, 2025Enforcement: Resolving — corrective action underway
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, 2024Enforcement: Resolving — corrective action underway
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: April 1, 2023 – June 30, 2023Enforcement: 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 WANBLEE EAST

Is WANBLEE EAST water safe to drink?

WANBLEE EAST water receives a grade of B (77/100), which is considered good. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.

What contaminants has WANBLEE EAST detected?

1 contaminants were tested in WANBLEE EAST's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).

Does WANBLEE EAST have any EPA violations?

Yes, WANBLEE EAST has 8 EPA violation(s) on record, with the most recent in 2025. Violation types include MCL, MR. 3 are health-based violations.

How many people does WANBLEE EAST serve?

WANBLEE EAST serves approximately 2,179 people, South Dakota.

What type of water does WANBLEE EAST provide?

WANBLEE EAST sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is 084690021.

How does WANBLEE EAST compare to other utilities in South Dakota?

WANBLEE EAST scores 77/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our South Dakota state page for a full comparison of water systems.