Lake Level Tracker

Illinois lake & reservoir water levels

51 lakes tracked · 51 with a current elevation reading · USGS Water Services + USACE CWMS Data

Illinois has 51 lakes and reservoirs tracked here — 51 with a current elevation reading, from USGS Water Services and USACE CWMS Data. Sort the table by level, storage, %-full, or trend, then open any lake for its full elevation-with-datum, trend sparkline, storage, and source-and-vintage stamp. Figures are provisional readings for reference — not for navigation or safety decisions.

Statewide totals Illinois · USGS + USACE
Lakes tracked
51

51 report a current pool-elevation reading; the rest report storage only.

With elevation reading
51
With %-full figure
0

All Illinois lakes

Every lake tracked in Illinois. Click a column heading to sort, or filter by name. Elevation lakes are listed before storage-only lakes; a missing figure always shows "not reported," never an estimate.

Illinois lakes, elevation lakes first, by name.
Datum Trend
Allenville 618.74 NAVD88 — — ↓Falling
Atwood 648.56 NGVD29 — — →Steady
Aviston 428.52 NAVD88 — — ↑Rising
Breese 414.67 NAVD88 — — ↑Rising
Brownstown 461.02 NAVD88 — — ↓Falling
Cairo 287.96 NAVD88 — — ↓Falling
Carlyle Lake Tw 411.06 NAVD88 — — ↑Rising
Carlyle Pool 445.54 NAVD88 — — →Steady
Champaign 705.23 NGVD29 — — →Steady
Coffeen 576.73 NGVD29 — — ↓Falling
Cooks Mill 622.44 NAVD88 — — ↓Falling
Cowden 505.62 NAVD88 — — ↓Falling
Cox Bridge 445.84 NAVD88 — — ↓Falling
Fairman 463.18 NAVD88 — — ↓Falling
Ficklin 646.87 NAVD88 — — ↓Falling
Freeburg 381.30 NAVD88 — — ↓Falling
Hecker 402.08 NAVD88 — — ↓Falling
Hoffman 422.71 NAVD88 — — ↓Falling
Kane 430.74 NGVD29 — — ↓Falling
La Salle 448.25 NGVD29 — — ↑Rising
Lock and Dam 27 Pool 399.07 NAVD88 — — ↓Falling
Lock and Dam 27 Tw 384.96 NAVD88 — — ↓Falling
Lovington 635.21 NAVD88 — — →Steady
Marion 416.58 NGVD29 — — ↓Falling
Mel Price Pool 416.86 NAVD88 — — ↑Rising
Morris 485.99 NGVD29 — — ↓Falling
Mt Vernon 424.88 NAVD88 — — ↓Falling
Mt Vernon Casey 421.12 NAVD88 — — ↓Falling
Mulberry Grove 469.66 NAVD88 — — ↓Falling
Murphysboro 339.70 NAVD88 — — ↓Falling
Nav Pool 368.91 NAVD88 — — ↓Falling
Nav Tw 352.50 NAVD88 — — ↓Falling
New Minden 419.08 NGVD29 — — ↓Falling
Patoka 470.49 NAVD88 — — ↓Falling
Peoria 445.36 NGVD29 — — ↑Rising
Pierron 442.09 NAVD88 — — ↓Falling
Plumfield 355.97 NAVD88 — — ↓Falling
Posey 405.66 NAVD88 — — ↓Falling
Pump Station 1 407.63 NGVD29 — — →Steady
Rend Lake Tw 373.65 NAVD88 — — ↓Falling
Sand Ridge 337.01 NAVD88 — — ↓Falling
Shelbyville 551.24 NAVD88 — — ↓Falling
Shelbyville Pool 600.52 NAVD88 — — ↓Falling
Shelbyville Tw 541.35 NAVD88 — — ↓Falling
Spring Garden 417.80 NAVD88 — — →Steady
Sub 405.60 NAVD88 — — ↓Falling
Sub Casey 405.58 NAVD88 — — ↓Falling
Valley City-Baldhill Dam 1,266.09 NGVD29 — — →Steady
Vandalia 459.33 NAVD88 — — ↓Falling
Venedy Station 384.56 NAVD88 — — ↓Falling
Waltonville 413.04 NAVD88 — — ↓Falling

Data: USGS Water Services (waterservices.usgs.gov) and USACE CWMS Data (cwms-data.usace.army.mil), retrieved 2026-08-31. Both public domain (a work of the U.S. Government, 17 U.S.C. §105).

Frequently asked questions

How many lakes and reservoirs in Illinois are tracked here?
51, of which 51 report a current pool-elevation reading. The rest report storage only, or lack a fresh reading and are not published.
Which Illinois lakes report a %-full figure?
None of Illinois's lakes in this dataset currently have a source-provided %-full figure — we show the bare level rather than estimate one.
Where does the data come from?
USGS Water Services and USACE CWMS Data, both public domain. See the methodology page for the exact endpoints and update cadence.

Explore

Read the methodology behind these figures, or search all lakes nationally from the home page.