| Who owns or controls the dam |
The dam's owner type is Private (USACE NID, record dated Apr 9, 2021). |
National Inventory of Dams (USACE) |
Checked 2026-10-04 Flag as out of date |
| Public launch |
No public launch on this lake is listed by PFBC or DCNR (checked Oct 4, 2026). Nearest listed: Long Arm Dam, Lawrence B. Sheppard Reservoir on Long Arm Reservoir (local government), 11.0 mi straight-line. |
PFBC access areas (DEP eMapPA) |
Checked 2026-10-04 Flag as out of date |
| NID hazard potential (Lake Heritage) |
High Hazard potential describes what could happen downstream if the dam failed. It is not a rating of the dam's condition or of how likely it is to fail (USACE NID Data Dictionary). Condition assessments in the NID can be years old; ask the dam's owner for the latest state inspection report. |
National Inventory of Dams (USACE) |
Checked 2026-10-04 Flag as out of date |
| NID condition assessment (Lake Heritage) |
Poor (assessment date not reported) |
National Inventory of Dams (USACE) |
Checked 2026-10-04 Flag as out of date |
| Year completed (Lake Heritage) |
1966 |
National Inventory of Dams (USACE) |
Checked 2026-10-04 Flag as out of date |
| Dam owner type (Lake Heritage) |
Private |
National Inventory of Dams (USACE) |
Checked 2026-10-04 Flag as out of date |
| Regulator (Lake Heritage) |
PA Department of Environmental Protection (DEP) |
National Inventory of Dams (USACE) |
Checked 2026-10-04 Flag as out of date |
| Emergency action plan reported (Lake Heritage) |
not reported |
National Inventory of Dams (USACE) |
Checked 2026-10-04 Flag as out of date |
| Last inspection reported (Lake Heritage) |
2021-03-16 |
National Inventory of Dams (USACE) |
Checked 2026-10-04 Flag as out of date |
| NID record date (Lake Heritage) |
2021-04-09 This is an older record: USACE NID last updated it on Apr 9, 2021. |
National Inventory of Dams (USACE) |
Checked 2026-10-04 Flag as out of date |
| State HAB sample results (all seasons) |
State sampling data has 6 sample results for this lake (2020); 4 were at Advisory (Yellow) or Avoid Contact (Red) levels. These are single-sample results, not a lake-wide status (checked Oct 4, 2026). |
PA HABs Dashboard data |
Checked 2026-10-04 Flag as out of date |
| Lake outline area (USGS NHD) |
About 140 acres (USGS NHD outline) |
USGS National Hydrography Dataset |
Checked 2026-10-04 Flag as out of date |
| Shoreline municipalities |
Mount Joy Township (Adams County); Mount Pleasant Township (Adams County); Straban Township (Adams County) |
PA municipal boundary map (DEP eMapPA) |
Checked 2026-10-04 Flag as out of date |
| Municipal links: Mount Joy Township |
STR ordinance not found online |
Municipal website |
Checked 2026-10-04 Flag as out of date |
| Municipal links: Mount Pleasant Township |
STR ordinance not found online |
Municipal website |
Checked 2026-10-04 Flag as out of date |
| Municipal links: Straban Township |
STR ordinance not found online |
Municipal website |
Checked 2026-10-04 Flag as out of date |