tapwatermap

Name: tapwatermap
Author: squidcode

MCP serverMCP

Query US tap-water quality from the EPA's SDWIS records — by city, system, or contaminant.

by squidcodehomepage ↗v1.0.0

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Observed by Wellknown

Evidence

Everything here was measured by our prober or read from a registry. Nothing is self-reported.

30-day availability108/108 checks ok

when	check	result	http	latency	detail
4 h ago	mcp initialize	ok	200	94 ms	server tapwatermap 1.0.0 · protocol 2025-06-18 · 10 tools
11 h ago	mcp initialize	ok	200	67 ms	server tapwatermap 1.0.0 · protocol 2025-06-18 · 10 tools
17 h ago	mcp initialize	ok	200	60 ms	server tapwatermap 1.0.0 · protocol 2025-06-18 · 10 tools
24 h ago	mcp initialize	ok	200	51 ms	server tapwatermap 1.0.0 · protocol 2025-06-18 · 10 tools
30 h ago	mcp initialize	ok	200	31 ms	server tapwatermap 1.0.0 · protocol 2025-06-18 · 10 tools
2 d ago	mcp initialize	ok	200	87 ms	server tapwatermap 1.0.0 · protocol 2025-06-18 · 10 tools
2 d ago	mcp initialize	ok	200	14 ms	server tapwatermap 1.0.0 · protocol 2025-06-18 · 10 tools
2 d ago	mcp initialize	ok	200	13 ms	server tapwatermap 1.0.0 · protocol 2025-06-18 · 10 tools
2 d ago	mcp initialize	ok	200	10 ms	server tapwatermap 1.0.0 · protocol 2025-06-18 · 10 tools
3 d ago	mcp initialize	ok	200	11 ms	server tapwatermap 1.0.0 · protocol 2025-06-18 · 10 tools

Tools observed via MCP handshake

search — Search TapWaterMap for US cities by name. Returns matching cities with an id you can pass to `fetch`. (ChatGPT/Deep-Research compatible.)
fetch — Fetch the full plain-English EPA tap-water record for a city id (e.g. 'vt/burlington') returned by `search`. (ChatGPT/Deep-Research compatible.)
search_cities — Find covered US cities by name, optionally within a state. Returns counts + the page URL for each.
get_city_water — The core tool: what the EPA has on record for a city's tap water — the active community water systems serving it, populations, sources, and violations (contamin
get_water_system — EPA record for a single water system by its PWSID (e.g. 'VT0005053'): name, population served, source, and violations.
list_state_cities — List all covered cities in a state (with violation counts).
find_cities — Filter/rank cities across the dataset — e.g. cities in TX with open health-based violations, or cities with a specific contaminant. Returns ranked matches.
compare_cities — Compare the EPA records of several cities side by side. Pass cities as 'City, ST' strings.
explain_contaminant — Plain-English explanation of an EPA contaminant by name or code: the EPA name, whether the EPA classifies it as health-based, and how often it appears in our re
coverage_stats — What TapWaterMap covers: states, cities, total EPA violation records, and the data quarter/date.

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No long description beyond the summary.

kind Official MCP Registry

name Official MCP Registry

summary Official MCP Registry

version Official MCP Registry

description Official MCP Registry

homepageUrl Official MCP Registry

publisherName Official MCP Registry

Provenance

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Official MCP Registryio.github.squidcode/tapwatermap

first seen 1 mo ago · fetched 2 d agoopen ↗

Field history (6 recent events)

1 mo ago · declared · summary → "Query US tap-water quality from the EPA's SDWIS records — by city, system, or contaminant."
1 mo ago · declared · description → "Query US tap-water quality from the EPA's SDWIS records — by city, system, or contaminant."
1 mo ago · declared · publisherName → "squidcode"
1 mo ago · declared · homepageUrl → "https://tapwatermap.com/developers/"
1 mo ago · declared · version → "1.0.0"
1 mo ago · declared · protocols → ["mcp"]

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