A
85

Excellent Water Quality

Lawrence, MA 01841

Essex County · Population served: 142,024 · Data updated March 2026

Water Systems Serving This Area

🏔
LAWRENCE WATER WORKS
Surface water · Pop. 88,877
PWSID: MA3149000
🏔
METHUEN WATER DEPT
Surface water · Pop. 53,059
PWSID: MA3181000
🌊
WILLOW GROVE TRAILER PARK
Groundwater · Pop. 88
PWSID: NH1753010

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
8.0
15 ppb 1 ppb Warning

PFAS / Forever Chemicals

5 detected All below limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFPeA5.0 pptNo standardUnregulated
PFHxA4.0 pptNo standard400 pptUnregulated
PFOA4.0 ppt4 ppt4 pptBelow limit
PFHxA3.1 pptNo standard400 pptUnregulated
PFPeA3.0 pptNo standardUnregulated

Violation History (Last 5 Years)

1Total (5yr)
0Health-Based
0Major

Water Quality Summary

Understanding Your Water in Lawrence

Tap water quality in Lawrence, Massachusetts (01841) receives an overall grade of A (Excellent) with a score of 85 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is roughly in line with the Massachusetts state average of 81. The area is served by 3 water systems providing water to approximately 142,024 people, using surface water and groundwater sources. Testing has found elevated levels of Lead that warrant attention. PFAS testing detected 5 compounds, all currently below EPA limits.

Your Score 85/100 A
vs State 4 pts above Massachusetts avg (81)
vs National 10 pts above national avg (75)

What a Grade A Means

A score of 85/100 means the water supply in Lawrence, MA meets or exceeds all EPA standards with minimal issues. Contaminant levels are well within safe limits, and the water system has maintained a strong compliance record. While no water supply is guaranteed perfect at the tap due to household plumbing, this is among the best-scoring areas in the country.

Surface water: sourced from rivers, lakes, or reservoirs
Groundwater: drawn from underground aquifers via wells

Health Information

What These Contaminants Mean for You

⚠️

Lead in Your Water

Lead is a toxic metal that can leach from aging pipes and plumbing fixtures.

Health Effects

Even low levels of lead exposure can cause developmental delays in children, kidney damage, and cardiovascular effects in adults. The EPA action level is 15 ppb, but health experts recommend no safe level of lead in drinking water.

Common Sources

Lead enters water primarily through corrosion of lead service lines, lead solder, and brass fixtures — especially in homes built before 1986.

What You Can Do

If lead is detected above 1 ppb, consider using a certified lead-removal filter (NSF/ANSI 53) for drinking and cooking water. Run cold water for 30 seconds before use if water has been sitting in pipes.

Common Questions

Frequently Asked Questions

Based on EPA data, tap water in Lawrence, Massachusetts receives a grade of A (Excellent) with a score of 85/100. This indicates the water meets federal standards and has relatively few concerns. However, individual homes may still have localized issues such as lead from old plumbing.

ZIP code 01841 is served by 3 water systems using surface water, groundwater sources, providing water to approximately 142,024 people. Multiple source types mean your water may come from a blend of surface and underground sources.

Lead was detected at 8.0 ppb in Lawrence, Massachusetts. While this is below the EPA action level of 15 ppb, it exceeds the health guideline of 1 ppb recommended by health organizations. Consider a certified lead filter, especially if you have young children.

5 PFAS compounds were detected in water serving Lawrence, Massachusetts, but all are currently below EPA limits. While levels are within regulatory standards, some health organizations recommend minimizing any PFAS exposure. Activated carbon or reverse osmosis filters can reduce PFAS levels.

Water systems serving Lawrence, Massachusetts have received 1 violation in the last 5 years. Violations can range from paperwork issues (monitoring & reporting) to serious health-based violations where contaminant levels exceeded safe limits. Review the violation details above for specifics.

Based on detected contaminants (lead, PFAS), residents in Lawrence, Massachusetts should consider: Reverse osmosis (RO) system — most effective for PFAS, lead, and other contaminants. Always look for filters with NSF/ANSI certification for the specific contaminants you want to remove.

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