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State
State Crash Data
State of Washington —
Crash data are provided by the Washington State Patrol, Washington State Department of Transportation, and the Washington Traffic Safety Commission. These data tools... -
State
County/Hospital Alert Tracking System (CHATS) - Maryland Institute for Emergency Medical Services Systems (MIEMSS)
State of Maryland —
This is an external link to the CHATS system on the website of MIEMSS, Maryland Institute for Emergency Medical Services Systems. CHATS is updated every 60 seconds.... -
State
Iowa Uniform Crime Reporting System
State of Iowa —
The Uniform Crime Reporting (UCR) program serves as the central repository for crime and arrest data within Iowa. Chapter 692.15 of the Code of Iowa requires law... -
State
California Public Schools 2024-25
State of California —
This layer serves as the authoritative geographic data source for California's K-12 public school locations during the 2024-25 academic year. Schools are mapped as... -
State
California City Boundaries and Identifiers
State of California —
Note: The schema changed in February 2025 - please see below. We will post a roadmap of upcoming changes, but service URLs and schema are now stable. For deployment... -
State
California School District Offices 2024-25
State of California —
This layer serves as the authoritative geographic data source for all school district office locations in California. District office location and attribute... -
State
Correctional Institutions
State of Oregon —
Jails and Prisons (Correctional Institutions). The Jails and Prisons sub-layer is part of the Emergency Law Enforcement Sector and the Critical Infrastructure... -
State
i03 WaterDistricts
State of California —
This dataset represents polygon boundaries of all public water agencies in California including public water systems, agricultural water districts, urban water... -
State
Continually Updated Shoreline Product
State of Oregon —
The Oregon CUSP shoreline represents a "best of" attempt to create a continuous Mean High Water Shoreline for use in GIS analysis and inventory work. Whenever... -
State
CA Congress Districts and Membership 2024-2026
State of California —
The 119th Congressional Districts dataset reflects boundaries from January 03, 2025 from the United States Census Bureau (USCB), and the attributes are updated every... -
State
PUBLIC - Zero Emissions Vehicle Reach Code Feature Service
State of California —
The service meant to track current zero-emission vehicle (ZEV) reach codes and spotlight current efforts to promote the transition to clean transportation. This map... -
State
Offshore Oil Leases
State of California —
California State Lands Commission Offshore Oil Leases in the vicinity of Santa Barbara, Ventura, and Orange County.The polygons in this layer show the position of... -
State
CT Congressional Districts
State of Connecticut —
This feature layer represents the boundaries of Connecticut's congressional districts based on the latest redistricting process following the 2020 Census. More... -
State
Cities
State of Oregon —
This map layer includes cities and towns in Oregon. These cities were clipped from a larger dataset of cities collected from the 1970 National Atlas of the United... -
State
i07 WellReportPDFLinks
State of California —
This feature class represents an index of records from the California Department of Water Resources' (DWR) Online System for Well Completion Reports (OSWCR). This... -
State
MD iMAP: Maryland Water Quality - Tier II High Quality Waters 2012
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The intent of this dataset is for it to be used to produce maps and provide... -
State
Connecticut State Parcel Layer 2023
State of Connecticut —
The dataset has combined the Parcels and Computer-Assisted Mass Appraisal (CAMA) data for 2023 into a single dataset. This dataset is designed to make it easier for... -
State
Coastal Area Polygon
State of Connecticut —
Coastal Area & Boundary Polygon: The Coastal Area layer is a 1:24,000-scale, polygon feature-based layer that includes the land and waters that lie within the... -
State
MD iMAP: Maryland Property Data - Parcel Points
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Please Note: Due to the extensive size of the parcel points file - download... -
State
Health & Human Services Program Counts - Dashboard & Record Reconciliation
State of California —
Introduction ## California Health and Human Services (CalHHS) single and multi-program participation counts with demographics by year and geography, both the Annual...