La Plata, Maryland: Is the Tap Water Safe to Drink?
2026 EPA water quality data for 52 community water systems serving 117,150+ residents. See violations, PFAS results, lead test results, and safety grades — free.
Is La Plata Tap Water Safe to Drink?
Based on the latest EPA data, La Plata tap water meets all federal drinking water standards. All 52 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).
La Plata Water Quality Overview
La Plata, Maryland is served by 52 community water systems providing water to approximately 117,150 residents. These systems draw from groundwater (51), surface water purchased (1) sources. La Plata water systems have recorded 10 health-based violations in their history, though none are currently active. Including monitoring and reporting violations, there are 285 total violations on record.
Find Your Water System
Search by ZIP code to find your exact water provider and see its full EPA report.
Showing top 50 of 52 water systems by population served
Looking for water quality data across the whole state? See our full Maryland tap water safety report covering all Maryland’s EPA-regulated water systems.
La Plata Drinking Water: Frequently Asked Questions
Is La Plata, Maryland tap water safe to drink?
Based on the latest EPA data, La Plata tap water meets all federal drinking water standards. All 52 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 La Plata, Maryland?
52 community water systems serve La Plata, Maryland, providing water to approximately 117,150 people. Different neighborhoods may be served by different utilities. Enter your ZIP code at the top to find your specific provider.
Does La Plata 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 La Plata drinking water?
EPA violation records for La Plata 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 La Plata?
Enter your La Plata 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).