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Alplaus Kill, New York

9.2 mapped river miles, draining 12 square miles, in the Mohawk basin watershed. No gauge stands in it; the nearest is 5.1 miles away, and what this page knows about its temperature is NYSDEC's classification of the water itself.

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Map key
Public land — where the bank is open to walk and fish
USGS gauge — live water temperature
Water temperature — the colour of the river, and of every dot on it

50°F and colder is cold, through cold-transitional and cool, to warm above 70°F — the same four bands, breaking at 58, 64 and 70°F, that the app paints. Grey is water nobody has measured.

The nearest live reading

The nearest gauge is 5.1 miles away, at Mohawk River At Lock 9 At Rotterdam Junction Ny — not a reading of this water, but of what the region is doing today.

64.8 °F
Mohawk River At Lock 9 At Rotterdam Junction Ny
5.1 mi away · read 30 Sep, 10:35 pm ET
Cool

Thermal classification

NYSDEC's classification of this water, reach by reach. A class, not a temperature — no July mean, because none was measured here.

Reach Typed miles Band NYSDEC type
RM 9.2–0.5 11.7 cold —

NYSDEC has classified 11.7 of the 22 miles NHD carries for this stream — 54% of it. Every typed reach carries the same class, cold. The untyped reaches are not warm water — they are water NYSDEC's inventory does not reach, and the mile ranges above span only the reaches it does.

Questions about this river

NYSDEC classification

NYSDEC classifies this water as Class B — swimming and contact recreation and Class C — fishing. More than one class appears because the classification changes along the river. The thermal bar above shows where. On those reaches DEC also designates it trout waters — which is the half of the classification that is about temperature, and the half this map paints by. The class is a designation of best usage under 6 NYCRR — what the water is protected for — and not the season and creel rules, which change yearly and live with the agency.

NYSDEC water quality classifications and standards →

Public land on the river

2 units of public or open-access land touch this river, 767 acres in total. Acreage is the whole unit, not the part beside the water.

Unit Owner Acres
County Of Schenectady Land county land 675
Town Of Glenville Land city land 93

Species

NYSDEC designates this as trout water — Trout waters — without naming the species. No fish survey or stocking record for this water is in the files this site reads.

Tributaries and watershed

2 named streams meet this one. Confluence miles are above the mouth; the longest twelve are listed.

Alplaus Kill sits in HUC 8 02020004, the Mohawk basin, and drains 12 square miles, Strahler order 3 at the mouth. 27 NHD reaches carry the name for 21.6 miles in total — more than the 9.2 miles of drawn mainstem, because NHD counts side channels and braids as their own reaches.

Other water nearby

The closest 6 rivers on this site, straight-line from the middle of this one — not drive time.