County guide · South Dakota · SD WPAs

Waterfowl Production Areas & Public Hunting Land in Union County, SD

Union County has 1 named Waterfowl Production Area covering 96 acres of federally owned, walk-in public land.

WPAs here are managed by the Madison Wetland Management District, which sets any district-specific rules (vehicle access, blinds, nontoxic shot, closed areas).

The county covers about 467 square miles and has roughly 16,811 residents. WPAs make up about 0.0% of its land area.

1named WPAs
96acres of WPA land
96largest WPA (ac)
1refuges & districts

Map of WPAs in Union County

Gold outlines are fee-title Waterfowl Production Areas — federally owned public land. Land outside them is almost always private. Switch to satellite to check water conditions and cover, and click any tract for coordinates.

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Waterfowl Production Area (public)County lineRefuge / station Tip: switch to Satellite or USGS Topo in the layer menu · click the map for GPS coordinates
Take every tract with you:KML (Google Earth / onX)GPX waypoints

All Waterfowl Production Areas in Union County

WPAAcresNearest townGPSGo
Collar WPA 96 25 mi NW of Sioux City 42.73792, -96.77747 Map · Directions

Acreage from USFWS realty GIS polygons. Coordinates are a point inside each tract — not necessarily a parking area. Look for designated parking and boundary signs on the ground.

Hunting WPAs in Union County: rules & tips

Typically allowed

  • Hunting waterfowl, upland birds, deer and other game in season under South Dakota regulations
  • Walk-in access from roads and designated parking areas
  • Fishing and trapping where state and district rules allow
  • Wildlife watching, photography and dog training outside restricted periods

Common restrictions

  • No camping, fires or overnight use on most tracts
  • Motor vehicles only on designated roads and parking areas
  • Blinds and portable stands usually removed at the end of each day
  • Nontoxic shot required for waterfowl; many districts require it for all shotgun hunting
  • Some tracts have closed areas, refuge-style rules or seasonal restrictions

Getting to Union County

Distances below are straight-line from the center of the county. Most WPAs are reached by county and township gravel roads — download the GPX file and load it into your phone or GPS before you lose cell coverage.

  • Sioux City, IA26 mi — county center is NW of town
  • Sioux Falls, SD52 mi — county center is S of town
  • Norfolk, NE64 mi — county center is NE of town
  • Spencer, IA83 mi — county center is W of town

Shooting hours in Union County

Today at Union County

Legal light*–
Sunrise–
Sunset–

*½ hour before sunrise — the standard federal shooting-hour start for migratory game birds. Times in Chicago local time.

Full season calculator →

2026–2027 season sun table

DateShooting lightSunriseSunsetDaylight
Tue, Sep 1, 20266:20 AM6:50 AM8:03 PM13h 13m
Tue, Sep 15, 20266:35 AM7:05 AM7:39 PM12h 34m
Thu, Oct 1, 20266:52 AM7:22 AM7:10 PM11h 48m
Thu, Oct 15, 20267:08 AM7:38 AM6:46 PM11h 08m
Sun, Nov 1, 20266:29 AM6:59 AM5:21 PM10h 21m
Sun, Nov 15, 20266:48 AM7:18 AM5:05 PM9h 47m
Tue, Dec 1, 20267:07 AM7:37 AM4:54 PM9h 18m
Tue, Dec 15, 20267:20 AM7:50 AM4:53 PM9h 04m
Fri, Jan 1, 20277:27 AM7:57 AM5:02 PM9h 05m
Fri, Jan 15, 20277:24 AM7:54 AM5:16 PM9h 21m
Mon, Feb 1, 20277:12 AM7:42 AM5:37 PM9h 56m

Computed for 42.788, -96.714 (CDT / DST-aware). Check state rules — big game hours vary.

7-day forecast for Union County

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Forecast from the National Weather Service. Wind direction matters — plan your approach downwind of where game beds.

Refuges & districts with land in Union County

Madison WMD

Lake County, SD

1 open1 special
🦌🦆🦃🐦🕊️🐇🎣

44K huntable acres

Neighboring counties with WPAs

Source: USFWS Realty Tracts (fee-title interest) and Esri county boundaries. Page updated October 28, 2026.