A85/100
DEADWOOD — Water Quality Report 2026
Serving 1,156 people · South Dakota
Water Source
Purchased Surface Water
County
—
System ID
SD4600104
Violations
12
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1993.
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 DEADWOOD
Is DEADWOOD water safe to drink?
DEADWOOD water receives a grade of A (85/100), which is considered excellent. 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 DEADWOOD detected?
1 contaminants were tested in DEADWOOD's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does DEADWOOD have any EPA violations?
Yes, DEADWOOD has 12 EPA violation(s) on record, with the most recent in 1993. Violation types include MR, Other.
How many people does DEADWOOD serve?
DEADWOOD serves approximately 1,156 people, South Dakota. The system provides water to 1 community: Deadwood.
What type of water does DEADWOOD provide?
DEADWOOD 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 SD4600104.
How does DEADWOOD compare to other utilities in South Dakota?
DEADWOOD scores 85/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our South Dakota state page for a full comparison of water systems.