UXO Site selected: Fort Dupont, DE

General Area: Delaware City, DE

Site Type/Program: FUDS

Location: Fort Dupont consisted of approximately 321.6 acres of land in New Castle County, Delaware. Currently, the entire site is owned by the State of Delaware and used by several state and private agencies for Fort Dupont State Park, Governor Bacon Health Center (nursing home) and the Delaware River.

Brief History: On 13 July 1899, the site was officially named Fort DuPont. An additional 111.5 acres were acquired on 24 July 1899 and 95.5 acres were acquired on 8 December 1904. In 1900 and 1903, Fort DuPont constructed a 5" rapid fire gun battery and a 3" rapid fire gun battery, respectively. During this time frame, Fort DuPont conducted frequent service and subcaliber practice firing of all its weapons. The impact area was in the Delaware River, as targets were towed in the river. The coast artillery units stationed at Fort DuPont also helped train National Guard and Army Reserve units during the summers. By WWI, most of the armament at Fort DuPont had been removed, as only eight of the original sixteen 12" mortars and the 3" gun battery remained. However, in 1918, two 3" anti-aircraft gun emplacements were constructed at the site.

Range / Site Description:

Associated Munitions:

Activities Completed: This Draft Archives Search Report (ASR) was completed by Rock Island District in September 1997.

Issues: All acreage for the former Fort DuPont (proper) has been accurately covered by the existing FDE. However, historical documentation clearly shows that Fort DuPont used a portion of the Delaware River as an impact area during service and practice firings. This acreage was never acquired by the Government, but was definitely used by Fort DuPont. Therefore, preliminary assessment actions are needed to include this impact area in the DERP-FUDS program. Recommend the site FDE be amended to include this additional acreage. An EE/CA is recommended for Area D. Although most of this area lies beyond 100 yards of mean high tide, the area is in a navigation channel that undergoes periodic dredging. Therefore, it is a special case where a public exposure pathway exists and should be added to the inventory database.

Other Information: EE/CA

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