Sources and licences

• OpenStreetMap: places tagged leisure=dog_park, with fenced/barrier, small_dog, drinking_water, indoor and lit tags. Pulled with the Overpass API, one state at a time.
• NYC Parks Dog Runs (NYC Open Data hxx3-bwgv, NYC Open Data terms of use): names and active status.
• City park pages: fenced areas, small-dog sections and water, with the URL and date stored.
• City open data: City of Denver dog park inventory (data.colorado.gov 74qa-79bk, includes a fenced field), LA Recreation and Parks facility list (data.lacity.org ax8j-dhzm), City of Mesa park amenities (citydata.mesaaz.gov djym-pkpp).

OpenStreetMap

Map data © OpenStreetMap contributors, available under the Open Database License (ODbL). These pages are a produced work from that data. If we publish the underlying OSM-derived database, we will release it under the ODbL. The details we gathered ourselves are kept as a separate dataset.

How we check details

We read the operator's own page, write a short factual summary in our own words, and store the URL and the date we read it. We don't copy text or photos.