INDIVIDUAL MCP TOOL

list_state_cities

List all covered cities in a state (with violation counts).

tapwatermap.comnone authenticationAvailability not checked

Input schema

{}

Inferred read-only · medium confidence · heuristic, not a guarantee.

No write-capable action terms were found; this is not proof that invocation has no side effects.

CONNECT WITH APPROVAL

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.tapwatermap]
url = "https://mcp.tapwatermap.com/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "tapwatermap": {
      "type": "http",
      "url": "https://mcp.tapwatermap.com/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: tapwatermap
Remote MCP URL: https://mcp.tapwatermap.com/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "tapwatermap": {
      "url": "https://mcp.tapwatermap.com/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "tapwatermap": {
      "type": "http",
      "url": "https://mcp.tapwatermap.com/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "tapwatermap",
  "transport": "streamable-http",
  "url": "https://mcp.tapwatermap.com/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

search — Search TapWaterMap for US cities by name.
fetch — Fetch the full plain-English EPA tap-water record for a city id (e.
search_cities — Find covered US cities by name, optionally within a state.
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 (contaminant, health-based or not, dates, status, level vs limit when recorded).
get_water_system — EPA record for a single water system by its PWSID (e.
find_cities — Filter/rank cities across the dataset — e.
compare_cities — Compare the EPA records of several cities side by side.
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 records.