B65/100
LEMMON — Water Quality Report 2026
Serving 1,156 people · South Dakota
Water Source
Purchased Surface Water
County
—
System ID
SD4600192
Violations
31
Contaminant Test Results
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: September 1, 2023 – September 30, 2023Rule: 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 LEMMON
Is LEMMON water safe to drink?
LEMMON water receives a grade of B (65/100), which is considered good. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has LEMMON detected?
1 contaminants were tested in LEMMON's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does LEMMON have any EPA violations?
Yes, LEMMON has 31 EPA violation(s) on record, with the most recent in 2023. Violation types include MON, Other, MR. 1 are health-based violations.
How many people does LEMMON serve?
LEMMON serves approximately 1,156 people, South Dakota. The system provides water to 1 community: Lemmon.
What type of water does LEMMON provide?
LEMMON 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 SD4600192.
How does LEMMON compare to other utilities in South Dakota?
LEMMON scores 65/100 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.