States

Indian Rock Dam

near York, PA · Pennsylvania · USGS gauge
372374376378380
Grey bar: recent range 372.2–379.5 ft.
Water level · above gauge datum
373.08FT
Gauge elevation · no % full published
7 days −0.11 ft30 days +0.79 ftvs last year +1.06 ft
Reading for Oct 25, 2026, 18:00 UTC · page refreshed Oct 25, 20:24 UTC
Source: U.S. Geological Survey (Water Data for the Nation)
Worth going today?This Afternoon
Looks good
Light wind, dry
Wind1 mph
Rain0%
Temp65°F
Level373.1 ft
This AfternoonSunny · 65°F
SW 1 mph · rain 0%
TonightMostly Clear then Patchy Fog · 37°F
SW 2 mph · rain 0%
NWS forecast for the gauge location. Good = wind ≤ 10 mph and rain ≤ 30%; storms are flagged. Not safety advice – check local conditions, closures and warnings.

Level history

Last 30 days of daily means.

372374376378380ftSep 24Oct 2Oct 9Oct 16Oct 24
372374376378380ftSep 24Oct 9Oct 24

Field notes

Indian Rock Dam's latest daily level (Oct 25, 2026) is 373.08 (above gauge datum) ft.

Over the past 7 days the lake has been falling (−0.11 ft), and it is +0.79 ft over 30 days.

Compared with a year ago (372.02 ft, same time of day), the lake is 1.06 ft higher.

Readings come from the USGS gauge “Indian Rock Dam near York, PA”. USGS data are provisional and may be revised. Gauge elevations are not directly comparable between lakes because each uses its own datum.

Lake facts

Gauge / stationIndian Rock Dam near York, PA
Elevation datumft above gauge datum
Gauge location39.9229, -76.7536

Nearby lakes

Lake Serene41 mi SE · MD52.89 ft−0.07 ftChambers Lake48 mi E579.77 ft−0.13 ftStruble Lake49 mi E616.89 ft−0.06 ftBlue Marsh Lake49 mi NE286.59 ft−2.02 ftRaystown Lake75 mi NW785.34 ft−0.81 ft

Common questions

Is Indian Rock Dam rising or falling?

Over the last 7 days it changed −0.11 ft and over 30 days +0.79 ft.

How full is Indian Rock Dam?

USGS publishes the water surface elevation for this gauge but not a percent-full figure, so we don't show one rather than estimate it.

How often is this page updated?

The page is rebuilt automatically every day from USGS's published data. Values can be revised later by the source agency.

Where does the data come from?

The U.S. Geological Survey's Water Data API (api.waterdata.usgs.gov), which publishes readings from USGS and partner gauges. Forecasts come from the National Weather Service.

Latest instantaneous reading; 7-day, 30-day and year-ago changes compare readings at the same hour. USGS data are provisional and subject to revision. USGS data are provisional and subject to revision. This page is not affiliated with or endorsed by the USGS. See data sources.