D20/100
Greensburg Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 17,590 residents · Indiana
What's In Greensburg's Tap Water?
69
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
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
4
Violations (last 5yr)
0
Unresolved
3
Health-Related
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2022 – March 31, 2022Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2021 – December 31, 2021Rule: Stage 2 DBPREnforcement: 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 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2021 – September 30, 2021Rule: Stage 2 DBPREnforcement: 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
Water Utility Details
GREENSBURG MUNICIPAL WATER WORKS
Population Served
12,650
Water Source
Surface Water
System ID
IN5216002
LAKE SANTEE RWWD
Population Served
1,500
Water Source
Surface Water
System ID
IN5216003
DECATUR CO. WATER CORP.
Population Served
3,440
Water Source
Purchased Surface Water
System ID
IN5216008
Frequently Asked Questions About Greensburg Water
Is Greensburg tap water safe to drink?
Greensburg, Indiana tap water receives a grade of D (20/100), which is considered poor. 1 contaminant(s) exceed EPA maximum contaminant levels and 215 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Greensburg's water?
Of the 70 contaminants tested in Greensburg's water supply, the most notable include Copper (90th percentile), Lead (90th percentile). 1 contaminant(s) exceed EPA legal limits (MCLs). 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Greensburg have any water quality violations?
Yes, Greensburg has 215 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MON, MR. 29 of these are health-based violations, which are the most serious category.
Do I need a water filter in Greensburg?
Based on EPA data, using a water filter in Greensburg is recommended. 1 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does Greensburg's tap water come from?
Greensburg's drinking water is sourced from surface water and supplied by GREENSBURG MUNICIPAL WATER WORKS and 2 other water system(s). The system serves approximately 17,590 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Greensburg's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Greensburg's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Greensburg's water compare to other cities in Indiana?
Greensburg's water quality score of 20/100 earns a grade of D, which is considered poor. This is a concerning score that suggests significant water quality issues. Visit our Indiana state page to see how all cities in the state compare.
What should I do if I'm concerned about Greensburg's water quality?
If you have concerns about Greensburg's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (GREENSBURG MUNICIPAL WATER WORKS) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.