F0/100
KEMMERER-DIAMONDVILLE JPB — Water Quality Report 2026
Serving 3,348 people · Wyoming
Water Source
Surface Water
County
—
System ID
WY5600028
Violations
28
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
10
Violations (last 5yr)
8
Unresolved
10
Health-Related
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2025 – September 30, 2025Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2025 – March 31, 2025Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2024 – September 30, 2024Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2024 – September 30, 2024Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2024 – June 30, 2024Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2024 – June 30, 2024Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2024 – June 30, 2024Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2024 – March 31, 2024Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2024 – March 31, 2024Rule: Stage 2 DBPREnforcement: Formal — state order issued
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 KEMMERER-DIAMONDVILLE JPB
Is KEMMERER-DIAMONDVILLE JPB water safe to drink?
KEMMERER-DIAMONDVILLE JPB water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 28 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has KEMMERER-DIAMONDVILLE JPB detected?
31 contaminants were tested in KEMMERER-DIAMONDVILLE JPB's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does KEMMERER-DIAMONDVILLE JPB have any EPA violations?
Yes, KEMMERER-DIAMONDVILLE JPB has 28 EPA violation(s) on record, with the most recent in 2025. Violation types include MCL, MR, TT. 21 are health-based violations.
How many people does KEMMERER-DIAMONDVILLE JPB serve?
KEMMERER-DIAMONDVILLE JPB serves approximately 3,348 people, Wyoming. The system provides water to 1 community: Kemmerer.
What type of water does KEMMERER-DIAMONDVILLE JPB provide?
KEMMERER-DIAMONDVILLE JPB 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 WY5600028.
How does KEMMERER-DIAMONDVILLE JPB compare to other utilities in Wyoming?
KEMMERER-DIAMONDVILLE JPB scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Wyoming state page for a full comparison of water systems.