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 619.62 NAVD88 — — ↑Rising
Atwood 649.96 NGVD29 — — ↑Rising
Aviston 428.68 NAVD88 — — ↑Rising
Breese 415.62 NAVD88 — — ↑Rising
Brownstown 461.44 NAVD88 — — →Steady
Cairo 300.57 NAVD88 — — ↑Rising
Carlyle Lake Tw 412.06 NAVD88 — — ↓Falling
Carlyle Pool 447.90 NAVD88 — — ↑Rising
Champaign 704.86 NGVD29 — — →Steady
Coffeen 577.10 NGVD29 — — ↑Rising
Cooks Mill 620.82 NAVD88 — — ↑Rising
Cowden 508.46 NAVD88 — — ↑Rising
Cox Bridge 447.78 NAVD88 — — ↑Rising
Fairman 462.82 NAVD88 — — ↑Rising
Ficklin 645.64 NAVD88 — — ↑Rising
Freeburg 381.80 NAVD88 — — ↑Rising
Hecker 402.95 NAVD88 — — ↑Rising
Hoffman 423.03 NAVD88 — — ↑Rising
Kane 431.24 NGVD29 — — ↑Rising
La Salle 452.95 NGVD29 — — ↑Rising
Lock and Dam 27 Pool 408.99 NAVD88 — — ↑Rising
Lock and Dam 27 Tw 401.96 NAVD88 — — ↑Rising
Lovington 637.43 NAVD88 — — ↑Rising
Marion 416.60 NGVD29 — — →Steady
Mel Price Pool 416.22 NAVD88 — — ↑Rising
Morris 491.30 NGVD29 — — ↑Rising
Mt Vernon 425.00 NAVD88 — — ↑Rising
Mt Vernon Casey 421.45 NAVD88 — — ↑Rising
Mulberry Grove 469.87 NAVD88 — — ↑Rising
Murphysboro 340.90 NAVD88 — — ↑Rising
Nav Pool 370.16 NAVD88 — — ↑Rising
Nav Tw 369.55 NAVD88 — — ↑Rising
New Minden 419.58 NGVD29 — — ↑Rising
Patoka 471.08 NAVD88 — — ↑Rising
Peoria 446.18 NGVD29 — — ↑Rising
Pierron 443.80 NAVD88 — — ↑Rising
Plumfield 356.33 NAVD88 — — ↑Rising
Posey 413.36 NAVD88 — — ↓Falling
Pump Station 1 407.52 NGVD29 — — ↑Rising
Rend Lake Tw 374.13 NAVD88 — — ↓Falling
Sand Ridge 340.96 NAVD88 — — ↑Rising
Shelbyville 551.76 NAVD88 — — ↑Rising
Shelbyville Pool 610.21 NAVD88 — — ↑Rising
Shelbyville Tw 541.54 NAVD88 — — ↑Rising
Spring Garden 417.79 NAVD88 — — →Steady
Sub 406.47 NAVD88 — — →Steady
Sub Casey 406.84 NAVD88 — — ↑Rising
Valley City-Baldhill Dam 1,265.90 NGVD29 — — →Steady
Vandalia 462.00 NAVD88 — — ↑Rising
Venedy Station 391.31 NAVD88 — — ↑Rising
Waltonville 412.66 NAVD88 — — ↑Rising

Data: USGS Water Services (waterservices.usgs.gov) and USACE CWMS Data (cwms-data.usace.army.mil), retrieved 2026-07-14. 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.