A92/100
Marengo Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 2,678 residents · Indiana
What's In Marengo's Tap Water?
1
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2000.
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
CRAWFORD COUNTY WATER COMPANY, INC.
Population Served
2,678
Water Source
Purchased Groundwater
System ID
IN5213001
Frequently Asked Questions About Marengo Water
Is Marengo tap water safe to drink?
Marengo, Indiana tap water receives a grade of A (92/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA maximum contaminant levels (MCLs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Marengo's water?
1 contaminants were tested in Marengo's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does Marengo have any water quality violations?
Yes, Marengo has 8 EPA violation(s) on record, with the most recent in 2000. Violation types include Other, MR. None of these are classified as health-based violations.
Do I need a water filter in Marengo?
Marengo water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. All contaminants are within health goals.
Where does Marengo's tap water come from?
Marengo's drinking water is sourced from purchased groundwater and supplied by CRAWFORD COUNTY WATER COMPANY, INC.. The system serves approximately 2,678 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Marengo'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. Marengo'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 Marengo's water compare to other cities in Indiana?
Marengo's water quality score of 92/100 earns a grade of A, which is considered excellent. This places Marengo among the better-performing water systems in Indiana. Visit our Indiana state page to see how all cities in the state compare.
What should I do if I'm concerned about Marengo's water quality?
If you have concerns about Marengo'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 (CRAWFORD COUNTY WATER COMPANY, INC.) 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.