Madison WMD
Lake County, SD
44K huntable acres
County guide · South Dakota · SD WPAs
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.
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.
| WPA | Acres | Nearest town | GPS | Go |
|---|---|---|---|---|
| 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.
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.
*½ hour before sunrise — the standard federal shooting-hour start for migratory game birds. Times in Chicago local time.
Full season calculator →| Date | Shooting light | Sunrise | Sunset | Daylight |
|---|---|---|---|---|
| Tue, Sep 1, 2026 | 6:20 AM | 6:50 AM | 8:03 PM | 13h 13m |
| Tue, Sep 15, 2026 | 6:35 AM | 7:05 AM | 7:39 PM | 12h 34m |
| Thu, Oct 1, 2026 | 6:52 AM | 7:22 AM | 7:10 PM | 11h 48m |
| Thu, Oct 15, 2026 | 7:08 AM | 7:38 AM | 6:46 PM | 11h 08m |
| Sun, Nov 1, 2026 | 6:29 AM | 6:59 AM | 5:21 PM | 10h 21m |
| Sun, Nov 15, 2026 | 6:48 AM | 7:18 AM | 5:05 PM | 9h 47m |
| Tue, Dec 1, 2026 | 7:07 AM | 7:37 AM | 4:54 PM | 9h 18m |
| Tue, Dec 15, 2026 | 7:20 AM | 7:50 AM | 4:53 PM | 9h 04m |
| Fri, Jan 1, 2027 | 7:27 AM | 7:57 AM | 5:02 PM | 9h 05m |
| Fri, Jan 15, 2027 | 7:24 AM | 7:54 AM | 5:16 PM | 9h 21m |
| Mon, Feb 1, 2027 | 7:12 AM | 7:42 AM | 5:37 PM | 9h 56m |
Computed for 42.788, -96.714 (CDT / DST-aware). Check state rules — big game hours vary.
Loading National Weather Service forecast…
Forecast from the National Weather Service. Wind direction matters — plan your approach downwind of where game beds.
Source: USFWS Realty Tracts (fee-title interest) and Esri county boundaries. Page updated October 28, 2026.