B75/100

HAMMOND WATER WORKS DEPARTMENT — Water Quality Report 2026

Serving 78,384 people · Indiana

Water Source
Surface Water
County
System ID
IN5245020
Violations
18

Contaminant Test Results

1 contaminant above EPA health goals
ContaminantDetectedLimit (MCL)Status
Lead (90th percentile)
0.003 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, 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: October 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: October 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: October 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: October 1, 2024 – December 31, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved

Monitoring violation

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

When: August 1, 2021 – October 4, 2021Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed to issue initial public notification

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

When: July 1, 2021 – November 19, 2021Rule: Ground Water 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 HAMMOND WATER WORKS DEPARTMENT

Is HAMMOND WATER WORKS DEPARTMENT water safe to drink?

HAMMOND WATER WORKS DEPARTMENT water receives a grade of B (75/100), which is considered good. Out of 76 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.

What contaminants has HAMMOND WATER WORKS DEPARTMENT detected?

76 contaminants were tested in HAMMOND WATER WORKS DEPARTMENT's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).

Does HAMMOND WATER WORKS DEPARTMENT have any EPA violations?

Yes, HAMMOND WATER WORKS DEPARTMENT has 18 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, RPT, TT. 1 are health-based violations.

How many people does HAMMOND WATER WORKS DEPARTMENT serve?

HAMMOND WATER WORKS DEPARTMENT serves approximately 78,384 people, Indiana. The system provides water to 1 community: Hammond.

What type of water does HAMMOND WATER WORKS DEPARTMENT provide?

HAMMOND WATER WORKS DEPARTMENT 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 IN5245020.

How does HAMMOND WATER WORKS DEPARTMENT compare to other utilities in Indiana?

HAMMOND WATER WORKS DEPARTMENT scores 75/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Indiana state page for a full comparison of water systems.

Cities Served