New York · Warner Dam, Jamestown (county/BPU); USGS gauge

Chautauqua Lake water level

Today's reading against full pool and Chautauqua Lake's own seasonal history.

FULL POOL 1304 1306 1308
Elevation, feet (NGVD29)

as of August 14, 2026

1308.28 ft NGVD29

level 0.1 ft above full pool — typical for mid-August

Reading comes straight from U.S. Geological Survey National Water Information System (USGS gauge 03013946) and updates live when you load this page.


Chautauqua Lake through the year

The band is the lake's own normal: where the level has run on each calendar day, 1980–2026. The summer drawdown — and how this year sits in it — shows up without reading a single number.

full pool 1307 1308 1309 JFMAMJJASOND
Median and normal range by day of year, 1980–2026 · elevation, feet (NGVD29)

This year vs the years that matter

This year's trace against last year and the driest and wettest years on record — the drought-context question every lake regular asks.

full pool 1307 1308 1309 JFMAMJJASOND
  • 2018 (wettest on record)
  • 1999 (driest on record)
  • 2025 (last year)
  • 2026 (this year)

Full pool, datum, and the gauge

"Full pool" here means the conservation pool — the level the lake is designed to hold for water supply and recreation, not the flood-control space above it. The full explainer covers flood pool and dead pool too.

Full pool 1308.20 ft NGVD29 · per Warner Dam, Jamestown (county/BPU); USGS gauge full-pool reference
Gauge USGS gauge 03013946 · U.S. Geological Survey National Water Information System
Datum NGVD29 — 62614 NGVD29. Warner Dam operating guideline: optimum 1308.2 ft msl May-Oct recreation season, ~1307 winter.
Last verified August 15, 2026

LakeDates reports lake level, not ramp status. Whether a given ramp or marina is usable at this level varies ramp by ramp — call the marina before you tow.

Quick answers

How full is Chautauqua Lake right now?

Chautauqua Lake is at 1308.28 ft (NGVD29) as of August 14, 2026 — 0.1 ft above full pool — typical for mid-August

Is Chautauqua Lake full?

Yes and then some — at 1308.28 ft, Chautauqua Lake is 0.1 ft above its full pool of 1308.20 ft (NGVD29), using flood storage.

What is full pool for Chautauqua Lake?

Full pool (the conservation pool) for Chautauqua Lake is 1308.20 ft NGVD29, per Warner Dam, Jamestown (county/BPU); USGS gauge full-pool reference. Levels above it use flood storage; levels below it are drawdown.