A87/100
KETCHUM CITY OF — Water Quality Report 2026
Serving 3,555 people · Idaho
Water Source
Groundwater
County
—
System ID
ID5070028
Violations
6
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.009 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2023 – December 31, 2023Rule: Stage 2 DBPREnforcement: Informal — resolved cooperativelyVerify 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 KETCHUM CITY OF
Is KETCHUM CITY OF water safe to drink?
KETCHUM CITY OF water receives a grade of A (87/100), which is considered excellent. Out of 51 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has KETCHUM CITY OF detected?
51 contaminants were tested in KETCHUM CITY OF's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does KETCHUM CITY OF have any EPA violations?
Yes, KETCHUM CITY OF has 6 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, MCL. 1 are health-based violations.
How many people does KETCHUM CITY OF serve?
KETCHUM CITY OF serves approximately 3,555 people, Idaho.
What type of water does KETCHUM CITY OF provide?
KETCHUM CITY OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is ID5070028.
How does KETCHUM CITY OF compare to other utilities in Idaho?
KETCHUM CITY OF scores 87/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Idaho state page for a full comparison of water systems.