Aka Overholtzer’s Mill
| c1772 | Dr. Samuel Martin |
| c1852 | Joseph Overholtzer |
| 1875 | Samuel Sensenig |
| 1894 | Menno Eberly built new mill |
| 1894 | New mill burned and was rebuilt |
| 1923 | William Zimmerman |
| 1933 | Levi Zimmerman |
| 1948 | Operations ceased |
| 1959 | Leroy Sensenig restored as a tourist attraction |
| 1960s | Campground built around the lake |
| 1979 | Mark and Irene Roth |
| c1979 | Caleb Zimmerman |
The mill is located at 851 Martin Church Road, New Holland, PA.
| Built | 1894 |
| Structure | 2.5 Story Frame |
| Water Source | Muddy Creek |
| Township | Brecknock |
| Type | Flour/Grist/Cider |
| Headrace | 1,500 feet |
| Tailrace | 75 feet |
| Dam Height | 6 feet |
| Power | 1 Overshot |
| Capacity | 8 bbl / day |
