| 1890s |
|
| |
Filling begins |
| 1910s |
|
| |
Filling in southwest
part of site |
| 1934 |
|
| |
Olin buys assets
of Winchester Repeating Arms |
| |
Filling on Hamden
Middle School property |
| 1939 |
|
| |
Rochford Field
developed from former dump site. |
| 1941 |
|
| |
Rochford Field
Annex (Mill Rock Park) developed from former dump
site. |
| 1950 |
|
| |
New Haven Water
company sells property for future Middle School
to town. Town then transfers property to State
Board of Education for development of regional
technical high school. |
| 1954 |
|
| |
State of Connecticut
transfers land back to town because of need for
"expensive foundations". |
| |
Town begins construction
of Michael J. Whalen Jr. High School |
| 1979 |
|
| |
Hamden Middle
School (HMS) athletic field soil tests show lead,
other metals |
| 1989 |
|
| |
Tornado exposes
contaminated materials (lead in soil) |
| 1992 |
|
| |
Environmental
Protection Agency determines no removal action
required at soccer fields |
| 1993 |
|
| |
Plans to expand
Hamden Middle School fail when soil contamination
found (PAHs) |
| 1994 -
1996 |
|
| |
Town places soil
cap over athletic fields behind HMS at DEP's recommendation |
