| Medomak River | |
|---|---|
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| Location | |
| Country | United States |
| Physical characteristics | |
| Source | |
| • location | Maine |
| • elevation | 600 feet (180 m) |
| Mouth | |
• location | Muscongus Bay |
• coordinates | 44°00′32″N69°23′20″W / 44.009°N 69.389°W /44.009; -69.389 (Medomak River) |
• elevation | sea level |
| Length | 40 mi (64 km) |
| Basin features | |
| Tributaries | |
| • left | Back River,Goose River |

TheMedomak River, historically known as theMuscongus River, is a 40-mile-long (64 km)[1] river inMaine. From its source (44°21′48″N69°21′09″W / 44.3634°N 69.3524°W /44.3634; -69.3524 (Medomak River source)) inLiberty, the river winds 32 miles (51 km) south to the head of itstidal riverestuary inWaldoboro, then about 8 miles (13 km) south toBremen. The river flows through Hockomock Channel into the head ofMuscongus Bay.Medomak isAbenaki for "place (river) of many alewives".
The Medomak River was the boundary between theWaldo Patent andPemaquid Patent but the early European settlers recruited in Germany by Samuel Waldo were unaware and settled both sides of the river. Later the settlers on the west bank of the river had to purchase the land they had settled on from the legal owners. The settlers arrived by ship and traveled by foot or boat until roads began to be built in the 1780s. Two ferries crossed the river in Waldoboro, (John) Light's ferry roughly east of the German Church and Waterman's ferry from Dutch Neck to Sampson Cove. The first bridge (main street) was built In the 19th century Waldoboro became a significant shipbuilding center and customs port of entry. Many dams were built in the 18th and 19th centuries to power water mills such as sawmills and grist mills. These dams prevented fish migrations such as alewives with an estimated harvest of 41,512 in 1896 to being "practically extinct" by 1956.[2]
The fresh water section of the Medomak River drains the Medomak River Watershed which is about 74 square miles with about 1077 acres of lake area. Sevengreat ponds include Crystal, Washington, Johnson, Iron, Medomak, Little Medomak and Kalers Ponds.[2] Pettingill Brook, Little Medomak Brook, Kalers Pond Outlet, and Hope Brook feed the Medomak. Fishes include brook trout (squaretail), white sucker, brown trout, minnows, smalImouth bass, lake chub, white perch, common shiner, yellow perch, golden shiner, chain pickerel, blackchin shiner, hornpout (bullhead), redbelly dace, smelt, blacknose dace, alewife, ninespine stickleback, eel, and pumpkinseed sunfish.[2]
This river is a significantclam fishery. Some of the migratory fishes in the river includealewives,blueback herring (together called river herring),American eels (the juveniles called elvers or glass eels),rainbow smelt andstriped bass. Two other notable species are thehorseshoe crab and quahog clam.