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County water report

Hampshire County Water Report

Drinking-water compliance, watershed health, monitoring records, and river conditions for Hampshire County, Massachusetts.

Water grade

B

Water score

67.5

State rank

#7

of 14

Health violations

3

EPA SDWIS, 5-year lookback

Watershed impaired

Not reported

EPA ATTAINS coverage varies by state

Monitoring sites

60

1,758 recent measurements

Live streamflow

100%

WARE RIVER AT GIBBS CROSSING, MA

Water at a glance

Key Water Indicators for Hampshire County

EPA SDWIS

Safety Grade

B

Score: 67.5 / 100

EPA SDWIS

Active Violations

3

5-year health-based lookback

EPA ATTAINS

Watershed Health

Not reported

Coverage varies by state

USGS NWIS

Streamflow Snapshot

100% of mean

WARE RIVER AT GIBBS CROSSING, MA

EPA WQP

Monitoring Sites

60

1,758 recent readings

Source: EPA SDWIS · Safe Drinking Water Information System

Drinking Water Compliance

Compliance grade

B

Based on EPA SDWIS compliance history.

Water score

Higher scores indicate cleaner recent compliance records.

67.5/100

Health violations

3

Health-based violations

Violations per 100K served

2.2

Population-normalized SDWIS rate

Editorial analysis

Understanding Hampshire County’s Water

Drinking Water Quality Overview

EPA SDWIS

Hampshire County earns a B grade for drinking water quality, scoring 67.5 out of 100. Over the past five years, EPA SDWIS records 3 health-based violations — a small cluster that warrants attention.

River & Streamflow Status

USGS NWIS

USGS NWIS gauge data (as of 2026-05-14T14:30:00.000-04:00) puts WARE RIVER at 312.0 cfs — near its historical average at 100% of mean flow. Streamflow is a leading indicator of drought stress, sediment load, and dilution capacity: low flows concentrate pollutants and warm water temperatures, stressing aquatic life and, in surface-water-dependent systems, the source water quality for treatment plants.

Monitoring Network

EPA WQP

EPA's Water Quality Portal (WQP) aggregates monitoring data from federal, state, and tribal agencies. Hampshire County has extensive coverage with 60 active monitoring sites with 1,758 recent measurements on record. Predominant monitoring categories include microbiological and physical. More monitoring sites generally indicate greater scientific attention to local water conditions — and provide the baseline data that regulators use to set future impairment listings.

Editorial advisory

What the data suggests for Hampshire County

Water Verdict

Hampshire County, Massachusetts receives a fair water quality assessment with a grade of B and a score of 67.5 out of 100. The water supply meets baseline federal standards, but there may be periods of elevated contaminant levels or infrastructure concerns worth monitoring. The county's primary USGS gauge drains roughly 197 square miles of upstream watershed, giving local source waters a regional footprint. At the most recent USGS reading, local streamflow was tracking near its historical mean (100.0%).

Violation Context

EPA SDWIS records for Hampshire County, Massachusetts show 3 health-based violations, indicating multiple instances where federal contaminant limits or treatment requirements were not met. At 2.2 violations per 100,000 people served, this rate is relatively low compared to many U.S. counties. For independent context, 1,758 water-quality monitoring results have been recorded across the county in the EPA Water Quality Portal over the past five years.

Consumer Guidance

Tap water in Hampshire County scores well above average for drinking-water safety. Hampshire County's drinking-water compliance score is 67.5 out of 100. With 3 recorded health violations, the water supply is generally reliable. The violation rate for Hampshire County is 2.2 per 100,000 people served. Households with infants, pregnant individuals, or immunocompromised members may want to use an NSF 53-certified pitcher filter as a low-cost precaution. With 60 active water-quality monitoring sites in Hampshire County, data coverage is strong. A pipeline streamflow snapshot from the WARE RIVER gauge is also available on this page.

Regional Context

Hampshire County has water quality close to the average county in Massachusetts. Its water score is within 1.6 points of the state average, meaning its overall water system performance is broadly representative of Massachusetts as a whole.

Advisory text summarizes county-level public records and is not a replacement for your utility's current Consumer Confidence Report or direct local notices.

Contaminants & Resources

Key issues flagged in Hampshire County's water environment

Official EPA Resources for Hampshire County

EPA How's My Waterway

Interactive watershed health data for Hampshire County

EPA ECHO: Drinking Water Systems

Search water utilities and violation records for Hampshire County

Consumer Confidence Reports (MA)

Annual water quality reports from utilities in Massachusetts

Past 5 years

Water Quality Monitoring

Monitoring Sites

60

Active in the past 5 years

Measurements Recorded

1.8K

1,758 total readings

Most Measured

  • Microbiological
  • Physical
  • Biological, Algae, Phytoplankton

Categories measured most frequently

Data from the EPA Water Quality Portal (WQP), aggregating monitoring records from federal, state, and tribal sources. Each measurement represents a single sample analyzed for a specific characteristic (e.g., E. coli, pH, dissolved oxygen, nitrogen).

Live USGS Streamgage

River & Stream Conditions

Current Discharge

312cfs

May 14, 6:30 PM UTC

vs Long-Term Average

100%

Near typical

Primary Streamgage

WARE RIVER AT GIBBS CROSSING, MA

USGS site
01173500
Drainage area
197 sq mi
Long-term mean
312 cfs

One representative streamgage (the one with the largest drainage area in the county). Many counties have multiple gauges; this view summarizes the primary one. The long-term mean is the full-record annual average; the percent-of-typical value compares the latest reading against that average.

Free tool

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Water Cost Estimate

3

3 people  ·  ~225 gal/day

Annual Total

$558

Monthly

$47

Water Bill

$558/yr

Filter Cost

$0/yr

Safety Grade for Hampshire County:C — Moderate

Some violations or watershed impairment detected.

Estimates use the national average residential water rate ($0.0068/gal, EPA/AWWA 2023) and EPA WaterSense per-person consumption baseline (75 gal/person/day). Actual bills vary by utility, usage tier, and local infrastructure fees. For informational purposes only.

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Frequently Asked Questions

What is the water quality in Hampshire County, Massachusetts?
Hampshire County, Massachusetts has a drinking-water quality grade of B with a score of 67.5/100, based on EPA SDWIS compliance data. The county has 3 health-based drinking water violations over the past 5 years. Watershed health, monitoring records, and streamflow snapshots are reported separately on this page.
Are there any water violations in Hampshire County?
Hampshire County has 3 health-based drinking water violations recorded by the EPA over the past 5 years. Health-based violations indicate instances where contaminant levels exceeded EPA Maximum Contaminant Levels (MCLs). Violations may have been resolved — check with your local water utility for current status.
How much water-quality monitoring happens in Hampshire County?
EPA's Water Quality Portal records 1,758 measurements from 60 monitoring sites in Hampshire County over the past five years. The most frequently measured characteristic groups are Microbiological, Physical, Biological, Algae, Phytoplankton. Each measurement is a single sample analyzed for one characteristic (E. coli, pH, dissolved oxygen, etc.). High monitoring density means more scientific evidence behind any reported signal — it does not by itself indicate water quality.
What's happening with rivers in Hampshire County right now?
Hampshire County's primary USGS streamgage on the WARE RIVER has a pipeline snapshot of 312 cubic feet per second — 100% of the long-term mean of 312.02 cfs. Flow is within typical range for this gauge. For the latest gauge feed, visit waterdata.usgs.gov.
How does Hampshire County water compare to the Massachusetts average?
Hampshire County's SDWIS water quality score of 67.5/100 is lower than the Massachusetts state average of 69.1. The average water quality grade across Massachusetts is C, based on data from 14 counties with available SDWIS data.
Is tap water safe to drink in Hampshire County?
Based on EPA SDWIS data, Hampshire County has a water quality grade of B (67.5/100). This indicates good to excellent water quality with strong SDWIS compliance. The grade speaks to the public water system, not the watershed — for watershed-level concerns, see the Watershed Health zone. For the most up-to-date information, contact your local water utility or review your Consumer Confidence Report (CCR).
Does Hampshire County have clean drinking water?
Hampshire County has 3 health-based drinking water violations according to EPA records. With a water quality score of 67.5/100 and grade B, the county's drinking water has had some compliance issues but continues to be monitored. Note: drinking-water compliance speaks to the public water system, not necessarily to the watershed itself — check the Watershed Health zone for ATTAINS §303(d) data.
How does Hampshire County rank for water quality in Massachusetts?
Hampshire County ranks #7 out of 14 counties in Massachusetts by SDWIS water quality score (1 = best). With a score of 67.5/100, it falls in the middle third of counties statewide. The ranking reflects EPA SDWIS compliance only — not watershed impairment, monitoring density, or streamflow, which are tracked separately on this page.

Counties with Similar Water Quality

Middlesex County

Massachusetts

B

68.0

Water score

Hampden County

Massachusetts

B

66.4

Water score

Essex County

Massachusetts

A

70.4

Water score

Data Sources

Drinking-water compliance data from the EPA Safe Drinking Water Information System (SDWIS) via the ECHO enforcement database. Scores reflect compliance history and health-based violation counts.

Water-quality monitoring counts from the EPA Water Quality Portal (WQP), federated USGS, EPA, and state agency sampling records over a rolling 5-year window.

Live streamflow from the USGS National Water Information System (NWIS), continuous discharge measurements from the largest-drainage gauge in each county, compared against the full-record long-term annual mean.

Disclaimer: This data is informational only. It is not health, legal, or professional advice. For concerns about your specific water supply, contact your local water utility.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor

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