A86/100
Millersville Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 386,060 residents · Maryland
What's In Millersville's Tap Water?
73
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 310.00 µg/L | — | Above Goal |
EPA Violation History
2
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: January 1, 2022 – December 31, 2022Enforcement: Resolving — corrective action underway
TIER 3Resolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2021 – October 12, 2022Rule: 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
Water Utility Details
BROAD CREEK
Population Served
23,179
Water Source
Groundwater
System ID
MD0020004
CROFTON-ODENTON
Population Served
62,986
Water Source
Groundwater
System ID
MD0020008
CROWNSVILLE HOSPITAL CENTER
Population Served
1,348
Water Source
Groundwater
System ID
MD0020009
GLEN BURNIE-BROADNECK
Population Served
290,606
Water Source
Groundwater
System ID
MD0020017
HERALD HARBOR
Population Served
2,241
Water Source
Groundwater
System ID
MD0020044
SAINT MARYS COLLEGE
Population Served
2,200
Water Source
Groundwater
System ID
MD0180013
EASTERN CORRECTIONAL INSTITUTE
Population Served
3,500
Water Source
Groundwater
System ID
MD0190013
Frequently Asked Questions About Millersville Water
Is Millersville tap water safe to drink?
Millersville, Maryland tap water receives a grade of A (86/100), which is considered excellent. Out of 73 contaminants tested, none exceed EPA maximum contaminant levels (MCLs) and 2 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 Millersville's water?
Of the 73 contaminants tested in Millersville's water supply, the most notable include Lead (90th percentile), chlorate. No contaminants exceed EPA legal limits. 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Millersville have any water quality violations?
Yes, Millersville has 56 EPA violation(s) on record, with the most recent in 2024. Violation types include TT, RPT, MR. 7 of these are health-based violations, which are the most serious category.
Do I need a water filter in Millersville?
Millersville 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. 2 contaminant(s) exceed these stricter goals.
Where does Millersville's tap water come from?
Millersville's drinking water is sourced from groundwater and supplied by BROAD CREEK and 6 other water system(s). The system serves approximately 386,060 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Millersville'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. Millersville'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 Millersville's water compare to other cities in Maryland?
Millersville's water quality score of 86/100 earns a grade of A, which is considered excellent. This places Millersville among the better-performing water systems in Maryland. Visit our Maryland state page to see how all cities in the state compare.
What should I do if I'm concerned about Millersville's water quality?
If you have concerns about Millersville'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 (BROAD CREEK) 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.