Little Vermilion River (Illinois River tributary) facts for kids
Quick facts for kids Little Vermillion River |
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| Country | United States of America |
| States | Illinois |
| Cities | Mendota, Troy Grove, La Salle |
| Physical characteristics | |
| Main source | Mendota Township, LaSalle County, Illinois 912 ft (278 m) 41°36′46″N 89°05′44″W / 41.6128095°N 89.0956426°W |
| River mouth | Confluence with the Illinois River, LaSalle, Illinois 447 ft (136 m) 41°19′29″N 89°04′53″W / 41.3247568°N 89.0814716°W |
| Length | 34.7 mi (55.8 km) |
| Basin features | |
| Progression | Little Vermilion River → Illinois River → Mississippi River → Gulf of Mexico |
| Basin size | 80,420 acres (32,540 ha) |
| Landmarks | Mitchell's Grove Nature Preserve |
| Population | 14600 |
| Tributaries |
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| GNIS ID | 412427 |
The Little Vermilion River is a 34.7-mile-long (55.8 km) tributary of the Illinois River, which it joins near LaSalle, Illinois, opposite the north-flowing Vermilion River. There is another "Little Vermilion River" in Illinois which is a tributary of the Wabash River.
Land Use
Approximately 75% of the land (60,580 acres (24,520 ha)) of the land in the watershed is devoted to agricultural activities, primarily corn (36,943 acres (14,950 ha)) and soybean (22,332 acres (9,037 ha)) production. Native wetlands account for 0.5% (434 acres (176 ha)) of land in the watershed.
Water Quality
An EPA report lists the southern section near La Salle, Illinois as impaired waterway due to excessive zinc from current and historic mining operations. It is also listed for elevated Fecal coliform bacteria levels due to the use of combined sewage overflow systems in use by several municipalities within the watershed.
