Water quality · ZIP 01002
Water quality in Amherst, MA
ZIP 01002 (Massachusetts) — water quality summary sourced from EPA SDWIS. Refreshed on the cadence of the primary regulator with every claim cited to the source record.
Hampshire County, Massachusetts · EPA SDWIS
AMHERST DPW WATER DIVISION
PWSID MA1008000 · population served 39,263 · surface water · 8 active systems on record for this county; showing the largest by population served
- Health-based violations (3y)
- 1
- Total violations (3y)
- 1
- Most recent
- 2024-09-01 — TT (health-based)
This is federal SDWIS reporting data for the community water system serving this county, not an address-level test result. Private well water is never covered by SDWIS. Where a county is served by multiple systems, this shows the one serving the most people.
What lands here
The community water system serving this ZIP's county, its EPA SDWIS record, and any health-based violations in the last 3 years — shown above.
Source & refresh
EPA SDWIS. Refreshed quarterly (federal mandate). Stale data is flagged, never silently served. Primary source →
Limitations specific to this source
Where a ZIP is served by multiple water systems, zipradar shows the dominant CWS by population served and lists alternates. Private well water is not covered.
Massachusetts context
Lead pipes, coastal flood, older housing
Massachusetts has dense lead-service-line obligations under LCRR in Boston, Lowell, Worcester, Springfield. Coastal AE/VE zones along the South Shore + Cape. Older housing stock means lead-paint risk overlaps with LSL risk.
See Massachusetts state page for the full state-level rollup across all 12 dimensions.
Read more on water quality
Editorial deep-dives explaining the source data, its limits, and how to read it.
Flood zones explained — what AE, X, and VE actually mean
Plain-English guide to FEMA flood-zone codes (A, AE, AH, V, VE, X, X-shaded). What the 1% and 0.2% annual-chance zones mean for your property and your insurance.
EPA Radon Zones — what 1, 2, and 3 mean and when you should test
EPA classifies every US county into Zone 1 (high), Zone 2 (moderate), or Zone 3 (low) for radon. Plain-English guide to the classifications and at-home testing.
EPA AQI categories explained — what 0–50 Good through 301–500 Hazardous mean
Plain-English guide to the six EPA Air Quality Index categories: 0–50 Good, 51–100 Moderate, 101–150 Unhealthy for Sensitive Groups, 151–200 Unhealthy, 201–300 Very Unhealthy, 301–500 Hazardous — what each level means and who is at risk.
Lead and Copper Rule 2024 — the federal lead-pipe inventory mandate
The 2024 Lead and Copper Rule Revisions (LCRR) require every US community water system to inventory and report lead service lines. Plain-English guide.
The other dimensions for ZIP 01002
Water quality is one of twelve public-records dimensions zipradar indexes per address. See the ZIP 01002 index for the other eleven — each with its own regulator, source and link:
All dimensions for Amherst, MA →Frequently asked questions
What is the water quality for ZIP 01002?
Hampshire County, Massachusetts (which covers ZIP 01002) is served by AMHERST DPW WATER DIVISION (EPA PWSID MA1008000), a community water system serving a reported population of 39,263. Health-based violations in the last 3 years: 1. This is federal SDWIS reporting data for the community water system serving this county, not an address-level test result. Private well water is never covered by SDWIS. Where a county is served by multiple systems, this shows the one serving the most people.
Where does the water quality data come from?
EPA SDWIS (primary regulator). zipradar federates water quality on the regulator's published cadence: quarterly (federal mandate). Every claim cites the source record; stale data is flagged, never silently served. The primary source URL: https://www.epa.gov/ground-water-and-drinking-water/safe-drinking-water-information-system-sdwis-federal-reporting.
What are the limitations of water quality data?
Where a ZIP is served by multiple water systems, zipradar shows the dominant CWS by population served and lists alternates. Private well water is not covered.
Is ZIP 01002 (Amherst) data current?
Last verified 2026-09-15. Water quality for ZIP 01002 refreshes quarterly (federal mandate) per EPA SDWIS cadence. See the full ZIP dashboard at /zip/01002/ for all 12 dimensions side-by-side.