Mill Brook


Mill Brook fishing access on NYCDEP lands

The Mill Brook watershed is located within three different townships: Middletown and a small portion of Colchester in Delaware County, and Hardenburgh in Ulster County. There are no population centers located in this sub-basin.

The Mill Brook mainstem drains directly into the Pepacton Reservoir. The majority of the land along Mill Brook mainstem is owned by a private club called the Tuscarora Club. The stream is managed by the Tuscarora Club to preserve quality fishing habitat along the mainstem. The Mill Brook mainstem is a fourth order stream. Clark Hollow is one major tributary that enters the Mill Brook mainstem in addition to numerous unnamed tributaries. Tributaries within this sub-basin seem to have a small impact on the mainstem and appear
to be fairly stable.

The drainage area of Mill Brook is approximately 25.36 square miles and the mainstem is 11.2 stream miles from the headwaters to the outlet of the Pepacton Reservoir. The land is predominately forested along the majority of the mainstem. The average annual rainfall in the w

Grants Mills Covered Bridge

atershed can range from 35-41 inches/year at the lower portion of the sub-basin to 41-51 inches/year in the headwaters.

CLICK HERE to access the Mill Brook portion of the EAST BRANCH DELAWARE STREAM MANAGEMENT PLAN (scroll to page #110)


Much of the Mill Brook valley is privately-owned, however opportunities exist near the extreme headwaters – where much is Catskill Forest Preserve, and at its mouth – the Pepacton Reservoir – owned by the City of New York.

CLICK HERE TO ACCESS the MILL BROOK portion of the Upper East Branch Delaware Recreational Access Plan

3 Responses to Mill Brook

  1. John Mordock says:

    The Tuscarora Club has own property along almost the entire length of Mill Brook since 1901 and while the brook can be accessed at its headwaters, it’s a trickle in this location during most of the fishing season and not a spot the recreational fisherman is likely to visit!. The club sued NYC when they first built the reservoir, claiming that it destroyed the brook trout fishing in the brook because warm water fish could access the creek and displace its brook trout. With the funds they received from the city to settle their suit, they damned the brook above its mouth, a dam they claimed only ‘jumping” trout could ascend, although it probably also restricted the reservoir’s brown trout from spawning in the brook. They are unlikely to open any of their lands for public use.

    • John,

      Yep. Access, keep in mind is not only fishing.

      By the way there is also access just upstream of reservoir (NYCDEP land) where there is the USGS gauging station. This property is immediately below the downstream-most Tuscarora Club property. Caught a nice 13″ brown and 14″ rainbow there last summer.

      Also access on opposite side of Mill Brook from Jim Alton Rd (also DEP land).

      • John Mordock says:

        Thanks for the info about access. Although the brown may have come up from the reservoir, where did the rainbow come from? Is the club now stocking rainbows in the creek? If they are not, then we’ve got an interesting puzzle to solve. Although there are stunted wild rainbows in the headwaters of a number of Catskill streams, left from years ago when rainbows were stocked, I’m not aware of a single tributary to the Pepacton that contains rainbows. – John Mordock

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