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Alisal Reservoir water level today

Lake in Santa Barbara County, California

596.78ft
181.90 m · NGVD29
Measured · provisional
Normal for the dateFalling
24 hours
▼ 0.51 ft
7 days
▼ 0.89 ft
30 days
▼ 1.28 ft
Normal for Oct 23 ?
596.08 ft

At a glance · Oct 23

About normal

Alisal Reservoir is 0.7 ft higher than normal for Oct 23, higher than on this date in 5 of the last 10 years, but still within its normal range.

  • This week↘ Falling 0.89 ft
  • Lowest on record↓ 579.72 ft (2016)

Compared with this gauge's own records for the same date. A statistical guide, not advice.

Normal for Oct 23Record lowToday596.78 ft

Today compared with past years on Oct 23

Lowest to highest on this date: 579.90–598.66 ftUsual range (10th–90th percentile): 587.21–597.54 ftNormal (25th–75th percentile): 594.28–597.01 ftToday: 596.78 ftToday 596.78 ftMedian 596.08Lowest 579.9025th75th
Lowest to highest on this date: 579.90–598.66 ftUsual range (10th–90th percentile): 587.21–597.54 ftNormal (25th–75th percentile): 594.28–597.01 ftToday: 596.78 ftToday 596.78 ftMedian 596.08Lowest 579.9025th75th

Where today's reading sits among this gauge's own records for the same date (±3 days). A statistical guide, not advice.

What this means

It is lower than on Oct 23 in 5 of the last 10 years.

The lake has fallen 0.89 ft in 7 days and fallen 1.28 ft in 30 days.

Since 1988, the lowest daily level was 579.72 ft (Nov 2016) and the highest 604.36 ft (Mar 2001).

Alisal Reservoir level chart

Loading chart…

Measured Normal range for the date (middle 50% of past years)

2026 compared with 2025

585590594599603JanFebMarAprMayJunJulAugSepOctNovDec202520262025-09-17: 597.54 ft2025-09-22: 597.49 ft2025-09-27: 597.43 ft2025-10-02: 597.34 ft2025-10-07: 597.24 ft2025-10-12: 597.16 ft2025-10-17: 597.30 ft2025-10-22: 597.24 ft2025-10-27: 597.19 ft2025-11-01: 597.14 ft2025-11-06: 597.08 ft2025-11-11: 597.02 ft2025-11-16: 599.24 ft2025-11-21: 598.69 ft2025-11-26: 597.51 ft2025-12-01: 597.74 ft2025-12-06: 597.89 ft2025-12-11: 598.00 ft2025-12-16: 598.09 ft2025-12-21: 598.08 ft2025-12-26: 600.57 ft2025-12-31: 599.61 ft2026-01-05: 600.32 ft2026-01-10: 599.67 ft2026-01-15: 599.11 ft2026-01-20: 598.35 ft2026-01-25: 598.59 ft2026-01-30: 599.21 ft2026-02-04: 599.70 ft2026-02-09: 600.06 ft2026-02-14: 599.74 ft2026-02-19: 600.23 ft2026-02-24: 599.85 ft2026-03-01: 599.84 ft2026-03-06: 600.08 ft2026-03-11: 600.04 ft2026-03-16: 600.02 ft2026-03-21: 599.99 ft2026-03-26: 599.97 ft2026-03-31: 599.96 ft2026-04-05: 599.94 ft2026-04-10: 599.95 ft2026-04-15: 599.94 ft2026-04-20: 599.92 ft2026-04-25: 599.95 ft2026-04-30: 599.93 ft2026-05-05: 599.93 ft2026-05-10: 599.91 ft2026-05-15: 599.92 ft2026-05-20: 599.90 ft2026-05-25: 599.89 ft2026-05-30: 599.90 ft2026-06-04: 599.88 ft2026-06-09: 599.85 ft2026-06-14: 599.80 ft2026-06-19: 599.75 ft2026-06-24: 599.69 ft2026-06-29: 599.62 ft2026-07-04: 599.56 ft2026-07-09: 599.49 ft2026-07-14: 599.42 ft2026-07-19: 599.33 ft2026-07-24: 599.22 ft2026-07-29: 599.10 ft2026-08-03: 599.00 ft2026-08-08: 598.90 ft2026-08-13: 598.78 ft2026-08-18: 598.70 ft2026-08-23: 598.61 ft2026-08-28: 598.50 ft2026-09-02: 598.41 ft2026-09-07: 598.33 ft2026-09-12: 598.24 ft2026-09-17: 598.15 ft2026-09-22: 598.08 ft2026-09-27: 598.00 ft2026-10-02: 597.92 ft2026-10-07: 597.85 ft2026-10-12: 597.77 ft2026-10-17: 597.65 ft
585590594599603JanAprJulOct202520262025-09-17: 597.54 ft2025-09-22: 597.49 ft2025-09-27: 597.43 ft2025-10-02: 597.34 ft2025-10-07: 597.24 ft2025-10-12: 597.16 ft2025-10-17: 597.30 ft2025-10-22: 597.24 ft2025-10-27: 597.19 ft2025-11-01: 597.14 ft2025-11-06: 597.08 ft2025-11-11: 597.02 ft2025-11-16: 599.24 ft2025-11-21: 598.69 ft2025-11-26: 597.51 ft2025-12-01: 597.74 ft2025-12-06: 597.89 ft2025-12-11: 598.00 ft2025-12-16: 598.09 ft2025-12-21: 598.08 ft2025-12-26: 600.57 ft2025-12-31: 599.61 ft2026-01-05: 600.32 ft2026-01-10: 599.67 ft2026-01-15: 599.11 ft2026-01-20: 598.35 ft2026-01-25: 598.59 ft2026-01-30: 599.21 ft2026-02-04: 599.70 ft2026-02-09: 600.06 ft2026-02-14: 599.74 ft2026-02-19: 600.23 ft2026-02-24: 599.85 ft2026-03-01: 599.84 ft2026-03-06: 600.08 ft2026-03-11: 600.04 ft2026-03-16: 600.02 ft2026-03-21: 599.99 ft2026-03-26: 599.97 ft2026-03-31: 599.96 ft2026-04-05: 599.94 ft2026-04-10: 599.95 ft2026-04-15: 599.94 ft2026-04-20: 599.92 ft2026-04-25: 599.95 ft2026-04-30: 599.93 ft2026-05-05: 599.93 ft2026-05-10: 599.91 ft2026-05-15: 599.92 ft2026-05-20: 599.90 ft2026-05-25: 599.89 ft2026-05-30: 599.90 ft2026-06-04: 599.88 ft2026-06-09: 599.85 ft2026-06-14: 599.80 ft2026-06-19: 599.75 ft2026-06-24: 599.69 ft2026-06-29: 599.62 ft2026-07-04: 599.56 ft2026-07-09: 599.49 ft2026-07-14: 599.42 ft2026-07-19: 599.33 ft2026-07-24: 599.22 ft2026-07-29: 599.10 ft2026-08-03: 599.00 ft2026-08-08: 598.90 ft2026-08-13: 598.78 ft2026-08-18: 598.70 ft2026-08-23: 598.61 ft2026-08-28: 598.50 ft2026-09-02: 598.41 ft2026-09-07: 598.33 ft2026-09-12: 598.24 ft2026-09-17: 598.15 ft2026-09-22: 598.08 ft2026-09-27: 598.00 ft2026-10-02: 597.92 ft2026-10-07: 597.85 ft2026-10-12: 597.77 ft2026-10-17: 597.65 ft
20262025Normal (middle 50% of past years)Usual range (10th–90th percentile)Median

Each year drawn on the same January–December axis, over this gauge's normal range for each date. Hover or tap a point for its value.

Same date in past years

DateLevelvs today
Oct 23, 2025597.23 ft▲ 0.45 ft
Oct 23, 2024598.10 ft▲ 1.32 ft
Oct 23, 2023598.08 ft▲ 1.30 ft
Oct 23, 2022596.15 ft▼ 0.63 ft
Oct 23, 2021595.93 ft▼ 0.85 ft
Oct 23, 2020597.30 ft▲ 0.52 ft
Oct 23, 2019597.26 ft▲ 0.48 ft
Oct 23, 2018596.10 ft▼ 0.68 ft
Oct 23, 2017596.76 ft▼ 0.02 ft
Oct 23, 2016579.94 ft▼ 16.84 ft

Records & details

Highest
604.36 ft on Mar 4, 2001
Lowest
579.72 ft on Nov 18, 2016
Records from
1988 (38 years of daily data)
Storage
2,090 acre-ft
Water temperature
Not measured here

What acre-feet and % full mean

Full history: yearly highs and lows, monthly averages →

Alisal Creek

Height
93 ft
Completed
1971
Purposes
Water Supply; Irrigation; Recreation
Owner
Private
Surface area
97 acres

National Inventory of Dams (U.S. Army Corps of Engineers). All dam facts →

Weather & wind

This Afternoon75°F · Mostly Sunny
Wind NW 15 mph
Tonight50°F · Mostly Clear
Wind NNE 5 to 15 mph
Saturday78°F · Sunny
Wind NW 0 to 10 mph
Saturday Night51°F · Mostly Clear
Wind N 5 to 10 mph
Sunday80°F · Sunny
Wind NNW 5 to 10 mph
Sunday Night51°F · Mostly Cloudy
Wind NNW 0 to 10 mph

NOAA National Weather Service forecast for this lake's location, updated 15 min ago.

Nearby lakes

All California lake levels →