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Indian Rock Dam near York water level

Reservoir, Indian Rock Dam, Pennsylvania, United States

Directions

High for mid-October

Surface elevation

373.14ft Down 0.05 ft over the last 24 hours

375 400 425 Minor floodstage 435.00 ft

History

372373374ftOct 16Oct 17Oct 18Oct 19Oct 20372373374ftOct 16Oct 18Oct 20
373375378380ftSep 21Sep 28Oct 5Oct 13Oct 20373375378380ftSep 21Oct 5Oct 20
373375378380ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026373375378380ftOct 2025Apr 2026Oct 2026
380400420440ftOct 2020Apr 2022Oct 2023Apr 2025Oct 2026Minor flood stage380400420440ftOct 2020Oct 2023Oct 2026Minor flood stage
380400ftJanMarMayJulSepNov2026380400ftJanAprJulOct2026

202120222023202420252026

Surface elevation Normal range (10–90 %) Minor flood stage

What this means

Indian Rock Dam near York is above normal at 373.14 ft.

The median for mid-October is 371.98 ft, based on 7 years of readings, so the lake level is 1.16 ft above typical. It is 61.86 ft below the flood stage of 435.00 ft. On the same day last year the reading was 372.18 ft, a difference of +0.96 ft.

It has dropped 0.05 ft over the past 24 hours. In the last month it has stayed between 372.17 ft and 379.49 ft.

Many reservoirs are drawn down through summer and fall; most of the refill comes later, with winter rain or spring snowmelt.

Compared with 7 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
371.98 ft1.16 ft above the median for this date
Normal for this date
371.79 ft – 374.11 ft8 years in 10 fall in this range (7 years of records)
Same day last year
372.18 ft+0.96 ft
Lowest and highest in 30 days
372.17 ft – 379.49 ft
Lowest and highest in 12 months
371.97 ft – 379.49 ft

On the water at Indian Rock Dam near York

With the level a bit above normal, expect a shoreline slightly higher up than usual and the odd floating branch.

Wear a life jacket on the water. Most boating deaths involve people who were not wearing one.

Weather at the gauge

No rain in the last 3 days.

20 Tue 68° 39° – Wind 11 mph
21 Wed 63° 37° – Wind 10 mph
22 Thu 63° 41° – Wind 14 mph
23 Fri 59° 41° – Wind 8 mph
24 Sat 60° 38° – Wind 6 mph
25 Sun 64° 41° – Wind 9 mph
26 Mon 66° 44° – Wind 7 mph

Forecast: Open-Meteo

Sunrise 07:23 AM Sunset 06:22 PM Daylight 10 hr, 59 min Waxing gibbous 71%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Codorus Creek near YorkRiver gauge, Codorus Creek 72.3 cfs Normal −6.0 cfs 1.6 mi
Codorus Creek at Spring GroveRiver gauge, Codorus Creek 16.4 cfs Low +0.9 cfs 6.1 mi
Codorus Creek near SaginawRiver gauge, Codorus Creek 152 cfs Normal ±0 10 mi
West Conewago Creek near ManchesterRiver gauge, West Conewago Creek 171 cfs Normal −26.0 cfs 11 mi
Kreutz Creek at StricklerRiver gauge, Kreutz Creek 23.4 cfs High −2.0 cfs 13 mi
West Conewago Creek at East BerlinRiver gauge, West Conewago Creek 60.0 cfs Normal −14.5 cfs 13 mi
Fishing Creek at CraleyRiver gauge, Fishing Creek 5.6 cfs Normal −0.2 cfs 13 mi
Susquehanna River at MariettaRiver gauge, Susquehanna River 34.57 ft Below flood stage −0.38 ft 15 mi

Questions and answers

Is Indian Rock Dam near York higher than last year?

Yes, it is 0.96 ft higher than on the same day last year, when the reading was 372.18 ft.

What is a normal level for Indian Rock Dam near York in mid-October?

The median for mid-October is 371.98 ft. In 8 years out of 10 the reading falls between 371.79 ft and 374.11 ft, based on 7 years of records.

Is Indian Rock Dam near York really 373.14 ft deep?

No. 373.14 ft is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.

What is the water level of Indian Rock Dam near York today?

On Oct 20, 2026, 03:00 PM EDT, the surface elevation was 373.14 ft. Down 0.05 ft over the last 24 hours.

Is Indian Rock Dam near York rising or falling?

Down 0.05 ft over the last 24 hours. Down 1.42 ft over the last 7 days.

Is the level of Indian Rock Dam near York normal?

High for mid-October. Compared with 7 years of daily readings for this time of year.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:01574700 (Agency page)
Coordinates
39.92288, -76.75358 (WGS84)
Vertical datum
local
Update interval
every 15 minutes
Licence
Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Surface elevation 373.14 ft 2026-10-20 19:00 Provisional

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How to cite

U.S. Geological Survey: Indian Rock Dam near York (usgs:01574700). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/pennsylvania/indian-rock-dam-near-york

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer