Pecatonica River

The Pecatonica River is a tributary of the Rock River, 194 miles (312 km) long,[2] in southern Wisconsin and northern Illinois in the United States.

Pecatonica River
The Pecatonica River in the Pecatonica River Woods State Natural Area in Iowa County, Wisconsin
Physical characteristics
Source 
 • locationIowa County northwest of Cobb, Wisconsin
 • coordinates42°58′44″N 90°20′37″W
 • elevation1,188 ft (362 m)
Mouth 
 • location
Confluence with the Rock River at Rockton, Illinois
 • coordinates
42°27′00″N 89°04′30″W
 • elevation
712 ft (217 m)
Length194 mi (312 km)
Discharge 
 • locationShirland, Illinois
 • average2,011 cu/ft. per sec.[1]
Basin features
ProgressionPecatonica River → Rock → Mississippi → Gulf of Mexico
GNIS ID415503

The word Pecatonica is an anglicization of two Algonquian language words: Bekaa (or Pekaa in some dialects), which means "slow", and niba, which means "water", forming the conjunction Bekaaniba or "Slow Water".

It rises in the hills of southwest Wisconsin, in southwest Iowa County, 2 miles (3 km) west of Cobb. It flows south, then southeast, past Calamine and Darlington. In southeast Lafayette County it receives the East Branch Pecatonica River, approximately 8 miles (13 km) north of the state line. It flows south-southeast into Illinois, past Freeport, where it turns east, then east-northeast, receiving the Sugar River near Shirland in northern Winnebago County, 5 miles (8 km) south of the state line. It joins the Rock at Rockton, approximately 15 miles (24 km) north of Rockford.

Illinois parks and preserves

The Winnebago County Forest Preserve District owns and operates six preserve along the river in Winnebago County. The river is the chief attraction of the 1,048-acre (424 ha) Pecatonica Wetlands Forest Preserve and the 221-acre (89 ha) Crooked River Forest Preserve off U.S. Highway 20 near Pecatonica, Illinois. These forest preserves contain oxbow, wetlands, and bottomland forest. The river also flows past the 466-acre (189 ha) Pecatonica River Forest Preserve off Illinois Route 70 near Pecatonica. The forest preserve contains a bottomland forest and has been designated an Illinois Nature Preserve. The 15-acre (6.1 ha) Trask Bridge Forest Preserve and the 6-acre (2.4 ha) Two Rivers Forest Preserve at the confluence of the Sugar River and Pecatonica River provide public boat launches, picnic areas, and fishing opportunities. At the mouth of the Pecatonica is the 281-acre (114 ha) Macktown Forest Preserve on Illinois Route 75 near Rockton, the site of the ghost town of Macktown or Pe-Katonic.

The Natural Land Institute of Rockford, Illinois owns and operates two privately owned preserves in Winnebago County. The 142-acre (57 ha) Pecatonica Woodlands Preserve contains bottomland forest, oxbow pond, wetland, and sedge meadow habitats. The 721-acre (292 ha) Nygren Wetland Preserve, located at the confluence of the Pecatonica River and the Rock River, has been restored from farmland to prairie, oak savanna, wetland, and oxbow pond.

Wisconsin parks and preserves

The river is the focus of the 110-acre (45 ha) Pecatonica River Woods State Natural Area near Mineral Point in Iowa County, owned by the Wisconsin Department of Natural Resources and designated as a natural area in 1992. The Pecatonica River Woods SNA was listed on the basis of possessing a diverse range of forest ecosystems, from southern dry, through mesic, to floodplain. The 52-acre (21 ha) Weir White Oaks State Natural Area, a privately owned preserve managed by the Wisconsin DNR, contains high-quality old growth upland forest and was designated a state natural area in 2002.

The 120-acre (49 ha) Blackhawk Memorial Park is owned and operated by Lafayette County.

Flooding

The Pecatonica River has flooded seven times since May 2017. Flood cleanup cost the city of Freeport, Illinois more than $1.5 million.[3] The March 2019 flood crest of 22.4 feet at Martintown, Wisconsin set a new record.[4] The Pecatonica River flooded again in October 2019, along with other Chicago area rivers including the Fox River and the Rock River.[5]

A USGS monitoring station is located at Freeport.[6]

See also

References
  1. https://waterdata.usgs.gov/il/nwis/uv/?site_no=05437050&PARAmeter_cd=00065,00060
  2. U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map, accessed May 13, 2011
  3. Chase, Brett (2019-11-11). "Neighborhoods Face Extinction As Floods Increase". Better Government Association. Retrieved 2019-11-13.
  4. "Pecatonica River reaches highest crest on record, flood warnings continue for many rivers". WKOW. 2019-03-16. Retrieved 2019-11-13.
  5. Dailey, Paul (2019-10-18). "Chicago-area rivers are falling – flooding continues on segments of the Rock, Fox and Pecatonica Rivers". WGN-TV. Retrieved 2019-11-13.
  6. "USGS Current Conditions for USGS 05435500 PECATONICA RIVER AT FREEPORT, IL". waterdata.usgs.gov. Retrieved 2019-11-13.
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