Ellicott City, Maryland: Is the Tap Water Safe to Drink?
2026 EPA water quality data for 28 community water systems serving 10,497+ residents. See violations, PFAS results, lead test results, and safety grades — free.
Is Ellicott City Tap Water Safe to Drink?
Based on the latest EPA data, Ellicott City tap water meets all federal drinking water standards. All 28 tested systems have received a safety grade of A or B, with no active health-based violations. 1 system has been tested for PFAS (forever chemicals).
Ellicott City Water Quality Overview
Ellicott City, Maryland is served by 28 community water systems providing water to approximately 10,497 residents. These systems draw from groundwater (27), surface water purchased (1) sources. Ellicott City water systems have recorded 16 health-based violations in their history, though none are currently active. Including monitoring and reporting violations, there are 100 total violations on record.
Find Your Water System
Search by ZIP code to find your exact water provider and see its full EPA report.
All 28 water systems in Ellicott City
Looking for water quality data across the whole state? See our full Maryland tap water safety report covering Maryland’s EPA-regulated water systems.
Ellicott City Drinking Water: Frequently Asked Questions
Is Ellicott City, Maryland tap water safe to drink?
Based on the latest EPA data, Ellicott City tap water meets all federal drinking water standards. All 28 tested systems have received a safety grade of A or B, with no active health-based violations. 1 system has been tested for PFAS (forever chemicals).
How many water utilities serve Ellicott City, Maryland?
28 community water systems serve Ellicott City, Maryland, providing water to approximately 10,497 people. Different neighborhoods may be served by different utilities. Enter your ZIP code at the top to find your specific provider.
Does Ellicott City tap water have lead?
Lead in drinking water typically enters from old pipes and fixtures inside homes and buildings, not from the treatment plant. The EPA requires water systems to monitor for lead under the Lead and Copper Rule. Click any water system above to see its most recent 90th-percentile lead test results. Homes built before 1986 are most likely to have lead plumbing components.
What contaminants have been found in Ellicott City drinking water?
EPA violation records for Ellicott City water systems are listed on each utility's report page. Common regulated contaminants include disinfection byproducts (TTHMs, HAA5), coliform bacteria, nitrates, and lead. Click any utility above to see its full violation history going back 10 years.
How do I find out which water company serves my address in Ellicott City?
Enter your Ellicott City ZIP code in the search box at the top of this page. ClearWater will identify the specific water system serving your area and show you its EPA violation history, lead test results, and an overall safety grade. You can also check your water bill or your utility's annual Consumer Confidence Report (CCR).