TapSafetyReport
F5/100

GREYBULL, TOWN OF — Water Quality Report 2026

Serving 3,260 people · Wyoming

Water Source
Groundwater
County
—
System ID
WY5600022
Violations
84

Contaminant Test Results

1 contaminant above EPA health goals
ContaminantDetectedLimit (MCL)Status
Lead (90th percentile)
0.001 mg/L0.015 mg/LAbove Goal

EPA Violation History

11

Violations (last 5yr)

5

Unresolved

0

Health-Related

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2024 – December 31, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2022 – December 31, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2022 – December 31, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2022 – December 31, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2022 – December 31, 2024Enforcement: Resolving — corrective action underway
TIER 3Unresolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2022 – December 31, 2024Verify on EPA.gov
TIER 3Unresolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2022 – December 31, 2024Verify on EPA.gov
TIER 3Unresolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2022 – December 31, 2024Verify on EPA.gov
TIER 3Unresolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2022 – December 31, 2024Verify on EPA.gov
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2022 – December 31, 2024Enforcement: Resolving — corrective action underway
TIER 3Unresolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2022 – December 31, 2024Verify on EPA.gov

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 GREYBULL, TOWN OF

Is GREYBULL, TOWN OF water safe to drink?

GREYBULL, TOWN OF water receives a grade of F (5/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 84 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has GREYBULL, TOWN OF detected?

1 contaminants were tested in GREYBULL, TOWN OF's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).

Does GREYBULL, TOWN OF have any EPA violations?

Yes, GREYBULL, TOWN OF has 84 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, MCL. 2 are health-based violations.

How many people does GREYBULL, TOWN OF serve?

GREYBULL, TOWN OF serves approximately 3,260 people, Wyoming. The system provides water to 1 community: Greybull.

What type of water does GREYBULL, TOWN OF provide?

GREYBULL, TOWN OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WY5600022.

How does GREYBULL, TOWN OF compare to other utilities in Wyoming?

GREYBULL, TOWN OF scores 5/100 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.

Cities Served

Greybull