B78/100
MILLER — Water Quality Report 2026
Serving 1,349 people · South Dakota
Water Source
Purchased Surface Water
County
—
System ID
SD4600211
Violations
11
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.005 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1998.
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 MILLER
Is MILLER water safe to drink?
MILLER water receives a grade of B (78/100), 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 MILLER detected?
1 contaminants were tested in MILLER's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MILLER have any EPA violations?
Yes, MILLER has 11 EPA violation(s) on record, with the most recent in 1998. Violation types include MR, MCL, Other. 2 are health-based violations.
How many people does MILLER serve?
MILLER serves approximately 1,349 people, South Dakota. The system provides water to 1 community: Miller.
What type of water does MILLER provide?
MILLER 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 SD4600211.
How does MILLER compare to other utilities in South Dakota?
MILLER scores 78/100 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.