Data sources & updates

Where each dataset comes from and when it was last updated.

Permit feeds — updated weekly

Loading…

Reference layers

LayerSourceMode
Parcels, ownership & historyMT DOR / MSDI CadastralMirrored monthly + change log (since 2002)
Flood zones (SFHA)FEMA NFHLLive
LOMC / FIRM panels / leveesFEMA MSC / NLDMirrored periodically
WetlandsUSFWS NWILive
SoilsUSDA NRCS SSURGOLive
Water rightsMT DNRC WRQSLive
Wells / bridges / dams / mines / historic places / habitatMBMG · FHWA · USACE · USGS · NPS · FWPMirrored periodically
New addresses (new-build signal)MSDI Structures & AddressesMirrored monthly, ID-diffed
Electric service territory & rates (¢/kWh)EIA / HIFLD Electric Retail Service TerritoriesLive — rates 2000–2024
Electric transmission linesHIFLD Transmission LinesMirrored (559 MT lines)
Power plants & generation (incl. solar/wind)EIA-860 / HIFLD Power PlantsMirrored (86 MT plants)
Public water systemsEPA SDWIS service areasLive (some boundaries EPA-modeled)
Contamination — federal & state superfundEPA NPL · MT DEQ CECRAMirrored (763 state sites)
Electricity rates are average revenue ÷ sales by utility (EIA), a planning figure — the exact tariff depends on rate schedule and demand charges. Broadband provider data (FCC) is a licensed feed, on the roadmap.

Disclaimer

This is a screening tool built on public records. Always confirm findings with the issuing agency before relying on them — it does not replace a survey, a flood determination, a wetland delineation, or permit review. Questions: itogeospatial@gmail.com.