Portsmouth Water Works
Drinking water quality, contact, and Consumer Confidence Report
Serving 1 city in NH · PWSID NH1951010
Portsmouth Water Works serves 33,000 people. PFAS detected above health guidelines (Perfluorooctanesulfonic acid, Perfluorooctanoic acid) — full contaminant breakdown below.
- People served
- 33,000
- PFAS
- Detected (2 compounds)
- Health-based violations since 2020
- 0
Data sources: EPA SDWIS, Portsmouth Water Works's published Consumer Confidence Report, and compliance monitoring reported to EPA by New Hampshire DES.
This page summarizes publicly available EPA and CCR records. For health decisions about your water, consult your utility or a licensed professional.
Portsmouth Water Works Water Quality Grade
Not graded: Monitor
Portsmouth Water Works reads Monitor. A letter grade is given only beside a Safe verdict.
Is Portsmouth Water Works Water Safe to Drink?
Portsmouth Water Works has reported 2 contaminants above EPA health-based guidelines (MCLGs) in at least one city served. We recommend reviewing individual city reports below for specific water quality details.
This utility serves 33,000 people across 1 city in NH. Water quality can vary by location within the service area. Check individual city pages below for detailed contaminant data specific to your area.
Get your water independently tested in New Hampshire →How does New Hampshire water quality rank nationally? →
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in New Hampshire
Learn more about the contaminants detected in Portsmouth Water Works:
Portsmouth Water Works Service Area
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Portsmouth Water Works Contact & Information
For hours of operation and emergency contact information, please visit the official utility website or call the main phone number.
B2B Contact Data
B2B Contact Data Available
Contacts for Portsmouth Water Works
| Name | Title | Phone | |
|---|---|---|---|
| J████ S████ | Water Treatment Supervisor | (555) ███-████ | j████@city████.gov |
| M████ J██████ | Utility Director | (555) ███-████ | m████@water████.org |
Water Sources & Treatment
Water Sources
Treatment Methods
Portsmouth Water Works Consumer Confidence Report
A Consumer Confidence Report (CCR) is the EPA-mandated annual water-quality report every community water system must publish by July 1 each year (Safe Drinking Water Act §1414(c)(4)). It summarizes contaminants tested, MCL and MCLG comparisons, and any system violations from the prior calendar year.
A current CCR for Portsmouth Water Works has not been published or validated on TapWaterData yet.
Residents: contact the utility directly using the phone number above, or check the EPA’s national CCR portal. Reports are typically distributed by mail or posted on the utility’s official website.
Portsmouth Water Works Annual Water Quality Reports
We don’t have a link we can confirm belongs to this system, and we’d rather show none than the wrong utility’s. New Hampshire DES publishes drinking-water reports for systems in this state.
Visit New Hampshire DESWhat is a CCR? The Consumer Confidence Report (CCR) is an annual water quality report that water utilities are required by the EPA to provide to customers. It contains information about your water source, detected contaminants, and compliance status.
EPA Health-Based Violations Since 2020
Portsmouth Water Works has no health-based EPA violation since 2020 (EPA data as of Q2 2026).
EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Concerned about what's in your water?
You're viewing 2 contaminants above health-based guidelines here. Your own tap water can differ — upload your test (PDF or a photo) and we'll email a full plain-English reading of every number, free.
Your upload also helps us keep local water data accurate — we only ever share anonymized, area-level summaries.
Upload my testRecommended Water Filters for Portsmouth Water Works
Based on water quality data from cities served by Portsmouth Water Works, we recommend NSF-certified filters that can remove contaminants above health guidelines.
Filter guides for the contaminants detected here:
Frequently Asked Questions about Portsmouth Water Works
Is Portsmouth Water Works water safe to drink?
Does Portsmouth Water Works have PFAS in its water?
How do I pay my Portsmouth Water Works water bill?
How many people does Portsmouth Water Works serve?
What cities does Portsmouth Water Works serve?
Does Portsmouth Water Works have any EPA violations?
What is Portsmouth Water Works's phone number?
Where can I find Portsmouth Water Works's Consumer Confidence Report?
Similar water utilities in New Hampshire
How we built this page
Water-quality and contact data on this page comes from public federal and state records. We update each utility's record whenever its underlying source publishes new data — typically within days of an EPA SDWIS refresh.
- Contaminants & violations: EPA Safe Drinking Water Information System (SDWIS) plus the Unregulated Contaminant Monitoring Rule (UCMR-5) for PFAS and emerging contaminants.
- Annual reports: Portsmouth Water Works's most recent published Consumer Confidence Report (CCR), where available.
- Service area & contact: EPA SDWIS. The compliance records it holds for this system are reported to EPA by New Hampshire DES, the state's drinking-water primacy agency.
Spotted a data issue? Use the Spotted something off? link at the bottom of the page — corrections feed back into the next data refresh. Learn more about TapWaterData.
Are you Portsmouth Water Works? Publish your 2027 CCR
TapWaterData runs a free CCR publishing service for community water systems. Claim this listing to publish your Consumer Confidence Report here — it inherits this page's search authority and reaches every customer who Googles Portsmouth Water Works.
- EPA-compliant distribution. Satisfies the 2027 Revised CCR Rule direct-URL requirement with an auditable archive.
- Publish once a year. Agent-assisted workflow; no login setup for small systems.
- Inherits this page's reach. Your published CCR appears directly on the page customers already find on Google.
Free for operators. No card required. Typical setup: 5 minutes.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach Portsmouth Water Works. For a problem with your water now (discolored water, no water, low pressure, a leak), contact Portsmouth Water Works directly.
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