Lower Watertown Dam

Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateWisconsin
CountyJefferson
Nearest CityWatertown
River/StreamRock River
Coordinates43.19189, -88.72565

Physical Characteristics

Dam TypeGravity
NID Height13 ft
Dam Height11 ft
Dam Length225 ft
Year Completed1904 (122 years old)

Storage & Hydraulics

NID Storage2,280 acre-ft
Max Storage2,280 acre-ft
Normal Storage250 acre-ft
Surface Area130 acres
Drainage Area971 sq mi
Max Discharge1,200 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeHydroelectric
OwnerRock River Power and Light Corporation
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection08/12/2022
Emergency Action PlanNot Required

Identifiers

NID IDWI00141
Federal IDWI00141
More InfoState Dam Safety Program

Nearby Dams

Upper Watertown 1.1 mi Low Lowell 11.3 mi Low Monterey 11.5 mi Low Lake Mills 12.3 mi High Hustisford 12.4 mi Low Peacock 12.5 mi Significant Neosho 13.3 mi Low Jefferson 13.7 mi Low Alderly Mill 14.1 mi Low Oconomowoc Lake 14.3 mi Low