B78/100
Greenwood Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 864,073 residents · Indiana
What's In Greenwood's Tap Water?
76
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2013.
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
INDIANA AMERICAN WATER - CHARLESTOWN
Population Served
8,658
Water Source
Groundwater
System ID
IN5210003
INDIANA AMERICAN WATER - S. INDIANA
Population Served
104,445
Water Source
Groundwater
System ID
IN5210005
INDIANA AMERICAN WATER - MUNCIE
Population Served
74,030
Water Source
Surface Water
System ID
IN5218012
INDIANA AMERICAN WATER - GEORGETOWN
Population Served
3,605
Water Source
Purchased Groundwater
System ID
IN5222003
INDIANA AMERICAN WATER - SHERIDAN
Population Served
4,435
Water Source
Groundwater
System ID
IN5229014
INDIANA AMERICAN WATER - NOBLESVILLE
Population Served
45,575
Water Source
Groundwater
System ID
IN5229015
INDIANA AMERICAN WATER - KOKOMO
Population Served
59,313
Water Source
Surface Water
System ID
IN5234007
INDIANA AMERICAN WATER - RUSSIAVILLE
Population Served
1,178
Water Source
Groundwater
System ID
IN5234008
INDIANA AMERICAN WATER - SEYMOUR
Population Served
20,725
Water Source
Groundwater
System ID
IN5236005
INDIANA AMERICAN WATER - JOHNSON COUNTY
Population Served
86,813
Water Source
Groundwater
System ID
IN5241005
INDIANA AMERICAN WATER - WARSAW
Population Served
13,835
Water Source
Groundwater
System ID
IN5243030
INDIANA AMERICAN WATER - NORTHWEST
Population Served
210,510
Water Source
Surface Water
System ID
IN5245015
INDIANA AMERICAN WATER - LOWELL
Population Served
11,908
Water Source
Groundwater Under Influence of Surface Water
System ID
IN5245029
INDIANA AMERICAN WATER - SUMMITVILLE
Population Served
1,078
Water Source
Groundwater
System ID
IN5248010
INDIANA AMERICAN WATER - CRAWFORDSVILLE
Population Served
15,930
Water Source
Groundwater
System ID
IN5254005
INDIANA AMERICAN WATER - MOORESVILLE
Population Served
10,083
Water Source
Groundwater
System ID
IN5255006
INDIANA AMERICAN WATER - WINCHESTER
Population Served
5,405
Water Source
Groundwater
System ID
IN5268003
INDIANA AMERICAN WATER - SHELBYVILLE
Population Served
19,093
Water Source
Groundwater
System ID
IN5273002
INDIANA AMERICAN WATER - FARMERSBURG
Population Served
2,095
Water Source
Purchased Groundwater
System ID
IN5277003
INDIANA AMERICAN WATER - SULLIVAN
Population Served
6,598
Water Source
Groundwater
System ID
IN5277009
INDIANA AMERICAN WATER - WEST LAFAYETTE
Population Served
35,533
Water Source
Groundwater
System ID
IN5279020
INDIANA AMERICAN WATER - TERRE HAUTE
Population Served
67,765
Water Source
Groundwater
System ID
IN5284012
INDIANA AMERICAN WATER - WABASH
Population Served
12,140
Water Source
Groundwater
System ID
IN5285003
INDIANA AMERICAN WATER - YANKEETOWN
Population Served
1,838
Water Source
Purchased Groundwater
System ID
IN5287008
INDIANA AMERICAN WATER - RICHMOND
Population Served
41,485
Water Source
Surface Water
System ID
IN5289012
Frequently Asked Questions About Greenwood Water
Is Greenwood tap water safe to drink?
Greenwood, Indiana tap water receives a grade of B (78/100), which is considered good. Out of 80 contaminants tested, 3 exceed EPA maximum contaminant levels (MCLs) and 9 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Greenwood's water?
Of the 80 contaminants tested in Greenwood's water supply, the most notable include PFOA, Copper (90th percentile), PFOS, Lead (90th percentile), strontium. 3 contaminant(s) exceed EPA legal limits (MCLs). 9 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Greenwood have any water quality violations?
Yes, Greenwood has 366 EPA violation(s) on record, with the most recent in 2022. Violation types include TT, MCL, RPT. 38 of these are health-based violations, which are the most serious category.
Do I need a water filter in Greenwood?
Based on EPA data, using a water filter in Greenwood is recommended. 3 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 Greenwood's tap water come from?
Greenwood's drinking water is sourced from groundwater and supplied by INDIANA AMERICAN WATER - CHARLESTOWN and 24 other water system(s). The system serves approximately 864,073 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Greenwood'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. Greenwood'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 Greenwood's water compare to other cities in Indiana?
Greenwood's water quality score of 78/100 earns a grade of B, which is considered good. This is an above-average score compared to many cities nationwide. Visit our Indiana state page to see how all cities in the state compare.
What should I do if I'm concerned about Greenwood's water quality?
If you have concerns about Greenwood'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 (INDIANA AMERICAN WATER - CHARLESTOWN) 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.