Gulf Coast Gauges

Hickory Slough at FM 865 near Pearland water level

USGS gauge 08077110 · Brazoria County · Clear Creek watershed · NWS gauge HYST2

44.89 ft

gage height, Oct 20, 2026 at 11:15 AM CDT · 20 minutes ago

Below NWS minor flood stage
6.1 ft
NWS action stage
49.5 ft
NWS minor flood stage
51.0 ft
NWS moderate flood stage
52.0 ft
NWS major flood stage
53.0 ft
Usual range
44.84 to 45.29 ft

USGS marks recent readings as provisional: they can be revised after review.

No National Weather Service alert covering Harris County was active when this page was generated (Oct 20, 2026 at 11:35 AM CDT). Alerts are issued and expire at any time; the current list is at alerts.weather.gov.

Last 7 days

44.6 45.0 45.3 Oct 14 Oct 15 Oct 16 Oct 17 Oct 18 Oct 19 Oct 20

Hourly averages of USGS readings. The shaded band is this gauge's usual range: the middle 80% of its readings since September 7, 2026.

How to read this gauge

Gage height is the height of the water surface above the gauge's zero point. This gauge's zero is set at 0 ft NAVD88, so its gage height is the water surface elevation above that datum. It is not a water depth.

The flood stages are the National Weather Service's, on the same scale as the gage height; they are the NWS's references for this location, not estimates made here.

Daily highs and lows since September 7, 2026

44.6 45.4 46.2 2026-09-07 – 2026-10-20 · bars are daily low to high

In past storms

StormPeakPeak timeRiseCompared with its record
October 1–2, 202646.19 ftOct 1, 2026 at 2:30 PM CDT1.0 ft—

Download the readings

hickory-slough-at-fm-865-near-pearland.csv (CSV): every reading stored for this gauge since September 7, 2026, 1,647 rows, with time in UTC and Central, gage height in feet, and the USGS approval status.

Source. Gage height from the U.S. Geological Survey; flood stages and historic crests from the NWS National Water Prediction Service. This site is not affiliated with either agency.