D31/100
LANDER, CITY OF — Water Quality Report 2026
Serving 7,615 people · Wyoming
Water Source
Surface Water
County
—
System ID
WY5600176
Violations
61
Contaminant Test Results
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
1
Health-Related
TIER 1 — URGENTResolved
Violation related to Nitrate
When: November 1, 2023 – November 30, 2023Rule: Surface Water Treatment 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 LANDER, CITY OF
Is LANDER, CITY OF water safe to drink?
LANDER, CITY OF water receives a grade of D (31/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 61 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has LANDER, CITY OF detected?
31 contaminants were tested in LANDER, CITY OF's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does LANDER, CITY OF have any EPA violations?
Yes, LANDER, CITY OF has 61 EPA violation(s) on record, with the most recent in 2023. Violation types include TT, MR. 2 are health-based violations.
How many people does LANDER, CITY OF serve?
LANDER, CITY OF serves approximately 7,615 people, Wyoming. The system provides water to 1 community: Lander.
What type of water does LANDER, CITY OF provide?
LANDER, CITY OF 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 WY5600176.
How does LANDER, CITY OF compare to other utilities in Wyoming?
LANDER, CITY OF scores 31/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Wyoming state page for a full comparison of water systems.