TapSafetyReport
F0/100

OTHELLO WATER DEPARTMENT — Water Quality Report 2026

Serving 8,755 people · Washington

Water Source
Groundwater
County
—
System ID
WA5364850
Violations
78

Contaminant Test Results

2 contaminants above EPA health goals
ContaminantDetectedLimit (MCL)Status
vanadium
37.90 µg/L—Above Goal
Lead (90th percentile)
0.001 mg/L0.015 mg/LAbove Goal

EPA Violation History

7

Violations (last 5yr)

0

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: October 1, 2023 – December 31, 2023Enforcement: 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: October 1, 2023 – December 31, 2023Enforcement: 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: July 1, 2022 – September 30, 2022Enforcement: 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: April 1, 2022 – June 30, 2022Enforcement: 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, 2022Enforcement: 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, 2022Enforcement: 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: July 1, 2021 – September 30, 2021Enforcement: 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 OTHELLO WATER DEPARTMENT

Is OTHELLO WATER DEPARTMENT water safe to drink?

OTHELLO WATER DEPARTMENT water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 78 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has OTHELLO WATER DEPARTMENT detected?

51 contaminants were tested in OTHELLO WATER DEPARTMENT's water. Notable contaminants include Lead (90th percentile), vanadium. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).

Does OTHELLO WATER DEPARTMENT have any EPA violations?

Yes, OTHELLO WATER DEPARTMENT has 78 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, Other, MCL. 7 are health-based violations.

How many people does OTHELLO WATER DEPARTMENT serve?

OTHELLO WATER DEPARTMENT serves approximately 8,755 people, Washington.

What type of water does OTHELLO WATER DEPARTMENT provide?

OTHELLO WATER DEPARTMENT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WA5364850.

How does OTHELLO WATER DEPARTMENT compare to other utilities in Washington?

OTHELLO WATER DEPARTMENT scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Washington state page for a full comparison of water systems.