Photograph of Croton Aqueduct — Photograph by The original uploader was Jpgarland at English Wikipedia, CC BY-SA 2.5. Via Wikimedia Commons.

Croton Aqueduct, Old

A National Historic Landmark. Listed on the National Register of Historic Places in 1974. 15 historic topographic surveys show this location, the earliest from 1892.

From the record

“The Croton Aqueduct or Old Croton Aqueduct was a large and complex water distribution system constructed as part of the New York City water supply system between 1837 and 1842. The aqueducts, which were among the first in the United States, carried water by gravity 41 miles (66 km) from the Croton River in Westchester County to reservoirs in Manhattan.”
Wikipedia article Croton Aqueduct, CC BY-SA 4.0.

One of 250 National Register listings published here for Westchester County · listed in 1974 · category: Structure · a National Historic Landmark.

Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service

The listing

Address. Runs N from Yonkers to New Croton Dam, Yonkers and, 10533
When was it listed? December 1974
Category. structure
Town. Greenburgh town
National Register reference number. 74001324 - the number the National Park Service assigned this property when it was listed, and the key its nomination file is catalogued under at the National Archives.

Fires near this property

714 since 2000

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 714 fires within 5 miles of Croton Aqueduct, Old between 2000 and 2020, burning about 964 acres in total. 69 started naturally. 68 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	404
Natural	69
Arson/incendiarism	68
Smoking	56
Recreation and ceremony	51
Equipment and vehicle use	29
Debris and open burning	16
Power generation/transmission/distribution	15
Misuse of fire by a minor	4
Other causes	2

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
9 September 2015	Missing data/not specified/undetermined	under an acre	Fire Department of New York	N/A
9 September 2007	Missing data/not specified/undetermined	under an acre	Fire Department of New York	not named
9 September 2003	Smoking	under an acre	Fire Department of New York	not named
8 September 2019	Equipment and vehicle use	under an acre	Fire Department of New York	N/A
8 September 2015	Smoking	under an acre	Fire Department of New York	N/A
8 September 2013	Missing data/not specified/undetermined	under an acre	Fire Department of New York	N/A
8 September 2001	Arson/incendiarism	under an acre	Fire Department of New York	not named
7 September 2005	Missing data/not specified/undetermined	under an acre	Fire Department of New York	not named

Every fire recorded in Westchester County

Mines and quarries near this property

6 within 5 miles

Regional context, not property-specific evidence. The federal mineral resources record lists 6 workings within 5 miles of Croton Aqueduct, Old: 5 past producers, 1 producer. 1 still produces. What was taken out: Iron, Sand and Gravel, Construction, Molybdenum, Rhenium. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.

Site	Commodity	Status	Recorded
Dobbs Ferry Plant	Molybdenum, Rhenium, Tungsten, Tantalum	Producer
Sparkill Pit and Plant	Sand and Gravel, Construction	Past Producer	Sedimentary
Sparkill Plant	Sand and Gravel, Construction	Past Producer
Ackerman's Limonite Mine	Iron	Past Producer	Limonite
Ackerman's Limonite Mine	Iron	Past Producer	Residual
Ackerman's Limonite Mine	Iron	Past Producer

Every working recorded in Westchester County

Maps showing this location

15 surveys

United States Geological Survey topographic sheets whose coverage includes this point. Matched by taking the middle of the area the National Park Service maps for this listing, then testing that coordinate against the published boundary of every sheet.

1892 USGS Tarrytown quadrangle1:62500
1893 USGS Tarrytown quadrangle1:62500 - 3 printings
1902 USGS Tarrytown quadrangle1:62500 - 11 printings
1932 USGS White Plains quadrangle1:24000
1937 USGS Tarrytown quadrangle1:62500
1938 USGS White Plains quadrangle1:31680 - 3 printings
1947 USGS Hartford quadrangle1:250000 - 2 printings
1947 USGS White Plains quadrangle1:24000
1948 USGS Hartford quadrangle1:250000 - 2 printings
1957 USGS White Plains quadrangle1:24000 - 2 printings
1961 USGS Hartford quadrangle1:250000
1962 USGS Hartford quadrangle1:250000 - 3 printings
1965 USGS Hartford quadrangle1:250000 - 2 printings
1967 USGS White Plains quadrangle1:24000 - 3 printings
1986 USGS Bridgeport quadrangle1:100000 - 3 printings

Listed places nearby

6 within 8 miles

Other National Register properties close enough to walk or drive between, ordered by distance from this one. Both positions come from the same geocoding pass that matched these properties to their map sheets.

Property	Distance	Listed
Irvington Town Hall	under 500 feet	1984
Irvington Historic District	under 500 feet	2014
Church of St. Barnabas	0.1 miles	2000
McVickar House	0.1 miles	2004
Lord and Burnham Building	0.3 miles	1999
Villa Lewaro	0.3 miles	1976

Sources for this property

National Archives record	The nomination case file for reference 74001324 in Record Group 79.
Wikipedia article	Community-written account of this property, licensed CC BY-SA.
Westchester County	All 250 listed properties in this county.

Provenance

Listing record. National Park Service National Register of Historic Places, listed-properties dataset, current to 2026-05-22.
Map join. Address geocoded through the United States Census geocoder, then tested against the published boundary of every sheet in the USGS Historical Topographic Map Collection.
How this page is made. Listing fields come from federal records; map-sheet coverage is a labelled coordinate-to-boundary calculation, not a source-field claim.
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.