Tap water in Laurel, MD — ZIP 21045
2 public water systems serving about 2,186,158 people. PFAS "forever chemicals" have been detected here.
B
Good
PFAS detected: at least one system serving this ZIP reported PFAS in EPA UCMR 5
testing. Levels and the 2024 federal limits are shown per system below.
Water systems serving 21045
Washington Suburban Sanitary Commission
PWSID MD0150005 · serves 1,900,000 ·
surface water
0 health-based / 0 total violations (5 yrs)
· PFAS up to 6.7 ppt
Howard County D.p.w. Distribution
PWSID MD0130002 · serves 286,158 ·
surface water
0 health-based / 1 total violations (5 yrs)
· PFAS up to 3.6 ppt
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology