York Indian Rock Dam
Dam in York County, Pennsylvania · Codorus Creek · forms Indian Rock Lake
Height
83 ft
25 m (NID height)
Length
1,000 ft
305 m
Completed
1942
Indian Rock Lake today
373.12 ft
7 days ▼ 0.29 ft
vs full pool
▲ 3.12 ft
Normal for the date
Reservoir level measured Oct 23, 2026, 1:00 PM EDT. Full level page →
Facts
- Purposes
- Flood Risk Reduction
- Dam type
- Rockfill
- Structural height
- 83 ft
- Owner
- USACE - Baltimore District (Federal)
- Maximum storage
- 48,000 acre-ft
- Hydraulic height
- 76 ft
- Drainage area
- 94 sq mi
- Spillway
- Uncontrolled, 461 ft wide
- Army Corps district
- Baltimore District
- NID ID
- PA00007
Facts from the U.S. Army Corps of Engineers National Inventory of Dams, record updated Oct 7, 2026. Search NID ID PA00007 at nid.sec.usace.army.mil. Project website.