Port Mahon, Delaware

33 topographic sheets cover this place, the earliest surveyed in 1899 and the latest in 1993. It stands in the Dover census division. It lies in ZIP code area 19901. It stands on Mahon River. The Survey maps it on the Little Creek quadrangle.

Port Mahon within Kent County

On record in Port Mahon

Buildings and businesses the archive holds for this place. Each opens its own page, with the source record it came from.

On the National Register within a mile 1 record

The National Register names another town for these. They stand within one mile of this settlement's coordinate.

Port Mahon Lighthouselisted 1979 · 0.0 miles away

Topographic sheets covering this place

14 surveys from 33 printed sheets

Matched by testing this settlement's coordinate against the published boundary of every sheet in the United States Geological Survey's historical collection. Each opens the scanned sheet at the Survey.

1899 USGS Vineland quadrangle1:125000, 3 printings
1919 USGS Vineland quadrangle1:125000
1934 USGS Bowers quadrangle1:48000
1936 USGS Bowers quadrangle1:62500, 4 printings
1946 USGS Wilmington quadrangle1:250000, 2 printings
1949 USGS Little Creek quadrangle1:24000, 3 printings
1955 USGS Wilmington quadrangle1:250000
1956 USGS Little Creek quadrangle1:24000, 5 printings
1957 USGS Wilmington quadrangle1:250000, 2 printings
1959 USGS Wilmington quadrangle1:250000, 3 printings
1966 USGS Wilmington quadrangle1:250000, 4 printings
1972 USGS Wilmington quadrangle1:250000, 2 printings
1984 USGS Dover quadrangle1:100000
1993 USGS Little Creek quadrangle1:24000

Fires near this place

25 since 1992

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 25 fires within 5 miles of Port Mahon between 1992 and 2007, burning about 2,925 acres in total. 5 started naturally. 3 were recorded as arson. Distance is straight-line from the map coordinates, so a fire counted here may appear on a neighbouring settlement's page as well.

Reported cause	Fires
Missing data/not specified/undetermined	16
Natural	5
Arson/incendiarism	3
Debris and open burning	1

The most recent of them, most recent first, with the day each was reported and the service that recorded it.

Date	Cause	Size	Reported by	Name on the report
31 August 2002	Natural	under an acre	Delaware State Fire Marshal's Office	not named
26 August 2002	Natural	1.0 acres	Delaware State Fire Marshal's Office	not named
25 August 2002	Natural	under an acre	Delaware State Fire Marshal's Office	not named
23 August 2002	Natural	under an acre	Delaware State Fire Marshal's Office	not named
23 August 2002	Natural	1.0 acres	Delaware State Fire Marshal's Office	not named
22 August 2002	Missing data/not specified/undetermined	under an acre	Delaware State Fire Marshal's Office	not named
23 July 2007	Missing data/not specified/undetermined	under an acre	Bombay Hook National Wildlife Refuge	STEAM FIRE
4 June 2002	Missing data/not specified/undetermined	under an acre	Delaware State Fire Marshal's Office	not named

Settlements close enough to share some of these fires:

Every fire recorded in Kent County

Mines and quarries near this place

2 within 5 miles

Regional context, not property-specific evidence. The federal mineral resources record lists 2 workings within 5 miles of Port Mahon: 1 past producer, 1 producer. 1 still produces. What was taken out: Sand and Gravel, Construction. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.

Where	Site	Commodity	Status	Recorded
	Tarburton Pit	Sand and Gravel, Construction	Past Producer	Sedimentary
	Tarburton Pit	Sand and Gravel, Construction	Producer

Every working recorded in Kent County

Storms near this place

1 since 2013

Regional context, not property-specific evidence. The National Weather Service names Port Mahon in 1 storm report in 2013: 1 flash flood. No death or injury is recorded in these reports. Each account below is quoted exactly as the forecast office filed it, from the NOAA Storm Events Database, and each date opens the federal record of that event.

When	Event	Place named	Harm	What the report says
July 2013	Flash Flood	Port Mahon	-	Thunderstorms with heavy rain caused flash flooding of roadways and small streams and eventually flooding along the Saint Jones River in central Kent County. In Dover, several vehicles became stranded in flood waters as numerous roadways flooded. Several stranded motorists had to abandon their vehicles. The water was also several feet deep at the Kent General Hospital in Dover. The Little Creek in Port Mahon flooded and shut down Main Street and Delaware State Route 9. Numerous basements were flooded. Event precipitation totals included 5.46 inches in Dover, 3.49 inches in Sandtown, 3.45 inches at the Dover Air Force Base and 2.46 inches in Smyrna.

Every storm recorded in Kent County

Nearest settlements

The eight closest, with where each one stands in the county. Distances are straight-line, computed from the Geographic Names Information System coordinates.

Place	Distance	Sheets
Donas Landing	2.5 miles	33
Little Creek	2.8 miles	33
Little Creek Landing	2.9 miles	33
Shadybrook Farms	3.4 miles	33
Generals Greene	4.2 miles	33
Cowgills Corner	4.3 miles	33
Postles Corner	4.3 miles	33
Hilldale	4.3 miles	33

Elsewhere

Matched on this settlement's Geographic Names Information System number rather than its name, so it cannot be a different place of the same name in another state.

Wikipedia article on Port Mahon	An encyclopaedic summary. Its text is share-alike, so it is linked here rather than copied.
Wikidata item Q15267561	The structured record the population and elevation above come from. Public domain (CC0).

Provenance

This settlement is recorded in the Geographic Names Information System as feature 214476. The sheet list is computed by point-in-boundary test against the United States Geological Survey's historical topographic inventory. Both are works of the United States government and carry no copyright under 17 U.S.C. 105.

Wildfire. Short, Karen C. 2022. Spatial wildfire occurrence data for the United States, 1992-2020 [FPA_FOD_20221014]. 6th Edition. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2013-0009.6 Collected with United States Government funding and usable without additional permissions or fees.

Mines and quarries. USGS Mineral Resources Data System (MRDS) https://mrdata.usgs.gov/mrds/ A work of the United States government, no copyright under 17 U.S.C. 105.

Storms. NOAA National Centers for Environmental Information, Storm Events Database https://www.ncei.noaa.gov/stormevents/ A work of the United States government, no copyright under 17 U.S.C. 105. Narratives are quoted verbatim from the National Weather Service report and are not edited or summarised.