MINNESOTA PERSPECTIVES: CURRENT AND FUTURE USE

Mark OlsenMinnesota Pollution Control Agency

Information Systems Office

Susanne MaederMinnesota Dept. of Administration

Minnesota Geospatial Information Office

NHD/WBD Technical Architecture Planning Meeting

May 11, 2010

Water quality is a priority for MN

Most surface water of the 48 contiguous states

Critical to $10 billion/year tourist industry, healthy agriculture and business economy

Water quality top priority for public Impacts on economic growth Number of impaired waters is

growing

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Consistency Between States

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Lake Pepin TMDL drainage area includes• 26 subbasins• Contributions from

Wisconsin, Iowa and South Dakota

MPCA Programs Depending on Data Linked to NHD

Assessment and listing process Water Quality permit issuance and

reissuance Phosphorus trading Storm water

MS4 Construction Industrial

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Accommodating Multiple Business Needs

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Regulatory boundary crosses road

• PWI represents State regulated boundary – the ordinary high water level

• Fisheries requires the open water basin

• NHD

Future Needs More and better tools

Generalization, conflation, editing and markup

Enhanced usability More and better data

Stormwater Lidar High Resolution NHDPlus

Enhanced analysis capabilities Network traversal Model integration

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The Minnesota NHD Maintenance Process

USGS - NHD MnRAD Steward MnRAD User

Distribution Database

Production Database

Mn Distribution Database

Mn Production Database

Pgdb, shapefiles, direct use

NHDGeoEdit, Indexing Tools, ArcGIS via IMS, ArcIMS

NHDGeoEdit, Conflation, Indexing Tools, ArcGIS via IMS, ArcIMS, ArcHydro

Local EditsNational Updates

Desktop Requirements

NHDGeoEdit, NHDGeoConflate Simplify Tools and Entire Update Process

to extent practicable Timing from desktop update to NHD

Distribution Software versions – Timing

Web Reporting HEM Desktop Tool

Need robust HEM Tool for creating local events

Heavy user of synchronization process

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MN DNR-NHD Synchronization Process

Multiple Data Sets, Multiple Business Needs Lakes & Streams Data: NHD, DNR Hydro GDB Watersheds: WBD, DNR Catchments (huc-16) Wetlands: NWI Update in progress

Current Project: Develop Process for data harmonization One more conflation – bring together best of both Shared Editing Environment in the future? Accommodating other data

Technology Issues Update process not dependent on extract to

desktop? Capabilities of replication?

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Goals and Timing

Short-term (1-2 years) Resolve DNR-NHD Issues: Complete Conflation, Pilot

Shared Editing Additional data: storm water, ditch inventories (drain

tiles?) Begin NHDPlus for high-res More robust local event handling (Mn) More robust hydro navigation tools, incl web-based

Medium-term (3-5 years) Shared editing of state updates; redefined

stewardship authorities State single hydro database (NHD as keystone) Web-enabled tools

Long-term (6-10 years)

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