Conestoga River at Lancaster, PA

USGS Site No: 01576500 • Conestoga River • Lancaster County, PA

Conestoga River at Lancaster, PA on the Conestoga River is currently at 168 cfs (Normal — 52th percentile for this date) . Gage height: 3.35 ft.

Reading from

168
CFS Discharge
3.35
Gage Height (ft)
Normal
Flow Condition
Normal
Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for October 29 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.

Percentile Label CFS Threshold Today's Flow
10th Very Low threshold 62
25th Low threshold 103
50th (Median) Normal (median) 150
75th High threshold 342 Today: 168 cfs
95th Very High threshold 986

30-Day Hydrograph

Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.

2.8k 1.4k 0 cfs Apr 6 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 184 —
May 27, 2026 210 —
May 26, 2026 254 —
May 25, 2026 373 —
May 24, 2026 334 —
May 23, 2026 175 —
May 22, 2026 167 —
May 21, 2026 142 —
May 20, 2026 135 —
May 19, 2026 139 —
May 18, 2026 149 —
May 17, 2026 155 —
May 16, 2026 164 —
May 15, 2026 190 —
Apr 21, 2026 221 —
Apr 20, 2026 267 —
Apr 19, 2026 231 —
Apr 18, 2026 221 —
Apr 17, 2026 228 —
Apr 16, 2026 236 —
Apr 15, 2026 244 —
Apr 14, 2026 249 —
Apr 13, 2026 250 —
Apr 12, 2026 266 —
Apr 11, 2026 274 —
Apr 10, 2026 277 —
Apr 9, 2026 285 —
Apr 8, 2026 310 —
Apr 7, 2026 348 —
Apr 6, 2026 474 —

Station Information

USGS Site No
01576500
State
PA
Coordinates
40.0501, -76.2772
Drainage Area
324 mi²
Datum (ft)
245.6
HUC Code
02050306
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
9.0 ft
Flood Stage
11.0 ft
Moderate Flood
13.0 ft
Major Flood
15.0 ft

Currently 7.65 ft below flood stage.

Recent Extremes

Max discharge
7,470 cfs
Jul 1, 2025
Min discharge
88 cfs
Jan 25, 2026
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges