B78/100
BY WATER DISTRICT — Water Quality Report 2026
Serving 13,320 people · South Dakota
Water Source
Surface Water
County
—
System ID
SD4600865
Violations
7
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
No violations in the past 5 years
Full EPA compliance since 2019.
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 BY WATER DISTRICT
Is BY WATER DISTRICT water safe to drink?
BY WATER DISTRICT water receives a grade of B (78/100), which is considered good. Out of 76 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has BY WATER DISTRICT detected?
76 contaminants were tested in BY WATER DISTRICT's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does BY WATER DISTRICT have any EPA violations?
Yes, BY WATER DISTRICT has 7 EPA violation(s) on record, with the most recent in 2019. Violation types include TT, MR, Other. 3 are health-based violations.
How many people does BY WATER DISTRICT serve?
BY WATER DISTRICT serves approximately 13,320 people, South Dakota. The system provides water to 2 communities: Tabor, Avon.
What type of water does BY WATER DISTRICT provide?
BY WATER DISTRICT sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is SD4600865.
How does BY WATER DISTRICT compare to other utilities in South Dakota?
BY WATER DISTRICT 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.