David Ashby This workflow corresponds to n8n.io template #5623 — we link there as the canonical source.
This workflow follows the HTTP Request Tool → Mcptrigger recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
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"name": "Advanced U.S. EPA Enforcement and Compliance History Online (ECHO) - Clean Water Act (CWA) Rest Services MCP Server",
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{
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{
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{
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{
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{
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"name": "Fetch ICIS Inspection Types",
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{
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{
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{
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{
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{
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"Fetch WBD Names": {
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"Fetch CWA Map Data": {
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"Fetch CWA Metadata": {
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"Submit CWA Map Data": {
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"Fetch BP Tribes Data": {
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"Fetch CWA Pollutants": {
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"Fetch CWA GeoJSON Data": {
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"Fetch Federal Agencies": {
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"Fetch CWA Download Data": {
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"Fetch ICIS Law Sections": {
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"Fetch CWA Facility Details": {
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"Submit CWA Facility Search": {
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"Fetch CWA Paginated Results": {
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"Fetch ICIS Inspection Types": {
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"Submit CWA Facility Details": {
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}
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