Good Water Quality
| Compound | Level | EPA MCL | Health Guideline | Status |
|---|---|---|---|---|
| PFOA | 9.0 ppt | 4 ppt | 4 ppt | Exceeded |
| PFPeA | 5.0 ppt | No standard | — | Unregulated |
| PFHxA | 4.0 ppt | No standard | 400 ppt | Unregulated |
Water Quality Summary
Tap water quality in Hudson, New Hampshire (03051) receives an overall grade of B (Good) with a score of 79 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is roughly in line with the New Hampshire state average of 77. The area is served by 2 water systems providing water to approximately 16,758 people, using groundwater sources. Notably, 1 PFAS compound exceeds EPA limits — a significant concern given the persistent nature of these chemicals.
A score of 79/100 means the water in Hudson, NH is generally good and meets EPA standards, with only minor areas of concern. There may be low levels of detectable contaminants or a small number of non-critical violations. Most residents can feel comfortable with their tap water quality, though basic filtration can provide an extra layer of protection.
Common Questions
Based on EPA data, tap water in Hudson, New Hampshire receives a grade of B (Good) with a score of 79/100. 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 03051 is served by 2 water systems using groundwater sources, providing water to approximately 16,758 people. Groundwater is naturally filtered through rock and soil, often requiring less treatment. However, it can be vulnerable to contamination from underground sources like naturally occurring arsenic, nitrates from agriculture, or PFAS from industrial sites.
No lead data is currently available for ZIP code 03051. This may mean lead testing results haven't been reported recently, or the serving water system uses monitoring waivers. You can request a free lead test kit from most water utilities or purchase a certified home testing kit.
Yes — 3 PFAS compounds were detected in water serving Hudson, New Hampshire, and 1 exceeds EPA maximum contaminant levels. PFAS are persistent chemicals linked to cancer, immune system effects, and developmental issues. A reverse osmosis or activated carbon filter certified for PFAS removal is recommended.
Water systems serving Hudson, New Hampshire have received 2 violations 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 (PFAS), residents in Hudson, New Hampshire 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.