The centerlines feature class is intended to show current and future street centerlines in Maricopa County, Arizona.

The Maricopa County Assessor static parcel maps are made available as zipped PDF files. Map IDs are broken down as Township & Range - Section - Quarter Section - Quarter Quarter. For example 807-18-04-00 would be: 807 -- Township 3 North, Range 4 East 18 -- Section 18 04 -- The SouthEast Quarter 00 -- There are no separate quarter quarter maps. MapIDs are only generated where parcels exist with Maricopa County. Last update of a MapID is indicated by the BEGIN_DATE field.

The Year 2000 Land Use coverage was created as a joint effort of MAG and MAG member agency staff. Land Use components were classified into 46 categories. The Year 2000 Land Use coverage is used for a variety of planning purposes including socioeconomic forecasting and air quality modeling.

Assessor Book Boundaries are the aggregated boundaries of the first three digits of an Assessor Parcel Number (APN).

The address feature class is intended to show address locations in Maricopa County, Arizona.

REQUIRED: A brief narrative summary of the data set.

The cities annex feature class is intended to track city and town annexations in Maricopa County, Arizona.

The City of Tempe ZIP Codes feature class is intended to show the USPS ZIP Code boundaries within Tempe, Arizona.

Cumulation of the weekly release of COVID-19 data for Maricopa County by City. Includes COVID Case Rate per 100k population as viewed on the Maricopa County School Reopening Dashboard map by week. For more information about the data, visit: https://www.maricopa.gov/5594/School-Metrics.

The 1995 Land Use coverage was created as a joint effort of MAG (Maricopa Association of Governments) and MAG member agency staff. Land Use components were classified into 24 categories. The 1995 Land Use coverage is used for a variety of planning purposes including socioeconomic forecasting and air quality modeling.

This dataset contains both Union High School Districts and Unified School Districts within Maricopa County, Arizona. 1. When there is a Unified School District, the Elementary and High School District boundaries are the same and there is only one governing board.2. When there is a Union High School District, more than one individual Elementary School District feeds into that Union High School District. The governing board for the Union High School District and individual Elementary School Districts are separate.

This is the digitized version of a map of the Hohokam canal system in what is now the Phoenix metropolitan area. It is based on the thesis research by J. B. Howard "Paleohydraulics: Techniques for modeling the operation and growth of prehistoric canal systems"

Floodplain zones as approved by the Federal Emergency Management Agency (FEMA) for the Flood Insurance Rate Maps (FIRM). Differentiated according to the FEMA letter coding scheme.

Cumulation of the weekly release of COVID-19 data for Maricopa County by Zip Code. Includes PCR Test Percent Positivity as viewed on the Maricopa County School Reopening Dashboard map by week. For more information about the data, visit: https://www.maricopa.gov/5594/School-Metrics.

Cross sections as approved by the Federal Emergency management Agency (FEMA) for the Flood Insurance Rate Maps (FIRM)

This dataset contains the Maricopa County, Arizona City Council District boundaries for those cities with council districts. This includes Phoenix, Surprise, Buckeye, Peoria, Glendale and Mesa.

Cumulation of the weekly release of COVID-19 data for Maricopa County by City. Includes PCR Test Percent Positivity as viewed on the Maricopa County School Reopening Dashboard map by week. For more information about the data, visit: https://www.maricopa.gov/5594/School-Metrics.

Water surface elevations of the base flood as approved by the Federal mergency management Agency (FEMA) for the Flood Insurance Rate Maps (FIRM). The base flood elevation, in feet, is in relation to the National Geodetic Vertical Datum of 1929. Profile baselines are for the Flood Insurance Rate Maps (FIRM). The cross section data are used for the production of Flood Insurance Rate Maps. The Flood Insurance Rate Maps (FIRMs) show different floodplains with different zone designations. These are primarily for insurance rating purposes, but the zone differentiation can be very helpful for other floodplain management purposes. The differentiated floodplain zones are used for the production of Flood Insurance Rate Maps. Maricopa County has been subdivided into FIRM panels for the publication and distribution of FIRMs. Profile baselines are for the Flood Insurance Rate Maps (FIRM).

The ZIP Codes feature class shows the USPS ZIP Code boundaries within Maricopa County, Arizona.

Information on the amount of water flowing in streams and rivers is critical to the management of water resources, emergency response to flooding, fisheries management, and many other uses. This layer provides access to near real-time stream gauge readings compiled from a variety of agencies and organizations.Dataset SummaryThe Live Stream Gauges layer contains near real-time measurements of water depth from multiple reporting agencies recording at sensors across the world. This layer updates every hour. Flow forecasts are provided where available. These sensor feeds are owned and maintained by the GIS community via the Community Maps Program. For details on the coverage in this map and to find out how to contribute your organization's gauges, please email environment@esri.com.Contributors to the Live Stream Gauges Service:United States Geological Survey (USA)National Weather Service (USA) * Includes Stage Status * Includes Flood Forecast Status *Washington State Department of Ecology (USA)San Joaquin County (USA)Maricopa County Flood Control District (USA)Minnesota Department of Natural Resources (USA)PEGELONLINE (Germany) * Includes Stage Status *Bureau of Meteorology (Australia)Horizons Regional Council (New Zealand) Environment Agency (UK)Nebraska Department of Natural Resources (USA) * Includes Stage Status *Iowa Flood Center (USA)Oregon Water Resource Department (USA)Dartmouth Flood Observatory (Global) * Includes Stage Status * Suspended *Meteorological Service of Canada (Canada)Volusia County Florida (USA) * Suspended *Somali Water and Land Information Management (Somalia) * Includes Stage Status *Office of Public Works (Ireland)RevisionsApr 15, 2025: Added fields for Flood Forecast Status for Full, 24 Hour, 48 Hour, and 72 Hour Forecast PeriodsFeb 13, 2024: Dartmouth Flood Observatory, suspended by government cutbacksDec 13, 2024: Added 'Status Classification' field, allowing symbol level draw order based on severity of flood status!Aug 26, 2024: Corrected update issue with USGS source data reported by several users.Aug 14, 2024: Updated USGS feed to pull from JSON data source, see: https://waterservices.usgs.gov/Jul 24, 2024: Added Office of Public Works (Ireland) dataJul 10, 2024: National Weather Service (NOAA) source reinstated after provider fix!Jul 8, 2024: Volusia County Florida, suspended during administrative holdJul 5, 2024: National Weather Service (NOAA) source stopped updating, suspended waiting on provider to correctMay 28, 2024: National Weather Service (NOAA) source updated, replaced retired AHPS with NWPSJan 22, 2024: Reinstated Somali Water and Land Management source after they successfully migrated to HTTPS ProtocolJan 3, 2024: Somali Water and Land Management source deactivated until Web Site issues are resolved!Mar 20, 2023: Nebraska DNR has been updated to leverage new source and now honors Stage Status!Feb 16, 2023: Nebraska DNR source update temporarily disabled due to source repository change!Aug 10, 2021: Added missing source for Nova Scotia CanadaJul 3, 2021: Added Somali Water and Land Information Management dataJun 30, 2021: Added Volusia County dataFeb 9, 2021: Refinements and Fixes:Corrections to Flow conversion for 'Environment Agency - UK'Corrections to Flow conversion for 'Horizons Regional Council - New Zealand'Added display of Metric Stage Height and Flow to PopupJan 27, 2021: Official release of Feature Service offering. Upgrades include:Automatic addition of new source stationsRemoval of stations with data older than 180 daysAddition of 'Governing Location' field that provides geographic State or Province (optional) plus Country NameAddition of 'Hours Since Last Update' field that maintains the age since gauge data was last updated