EPA — U.S. Environmental Protection Agency ·
Open Collection
Master Data Management OpenAPI Specification
11
Requests
9
Folders
v2.0.106 published: Thu Mar 26 2026
Version
View on GitHub
Raw JSON
GovernmentEnvironmentalOpenDataAirQualityWaterQualityHazardousWasteComplianceEmissionsOpen Collection
Overview
Master Data Management OpenAPI Specification is a Open Collection published by EPA — U.S. Environmental Protection Agency on the APIs.io network, version v2.0.106 published: Thu Mar 26 2026.
The collection contains 11 requests organised into 9 folders.
Tagged areas include Government, Environmental, OpenData, AirQuality, and WaterQuality.
Requests & Folders
Health
Account Type Codes
Control Codes
Fuel Type Codes
Program Codes
Reporting Periods
Unit Type Codes
Relationships
Codes & Descriptions
Related API Specs
AQS — Air Quality System Data Mart API (OpenAPI)
Envirofacts Data Service API (OpenAPI)
ECHO — All Media Programs Facility Search (OpenAPI)
ECHO — Clean Air Act Facility Search (OpenAPI)
ECHO — Clean Water Act Facility Search (OpenAPI)
ECHO — Safe Drinking Water Act System Search (OpenAPI)
ECHO — RCRA Hazardous Waste Facility Search (OpenAPI)
ECHO — Enforcement Case Search (OpenAPI)
ECHO — Detailed Facility Report (OpenAPI)
ECHO — Effluent Charting and Reporting (OpenAPI)
CAM — Account Management (OpenAPI)
CAM — CAMD Administrative & General Services (OpenAPI)
CAM — Emissions Management (OpenAPI)
CAM — Facilities Management (OpenAPI)
CAM — Master Data Management (OpenAPI)
CAM — Monitoring Plan Management (OpenAPI)
CAM — QA & Certifications Management (OpenAPI)
CAM — Streaming Services (OpenAPI)
CIP — Catchment Index Processing Service (OpenAPI)
CSB — Clean School Bus Rebate Forms (OpenAPI)
ELG — Effluent Guidelines Search (OpenAPI)
How's My Waterway (OpenAPI)