Reservoir · Nebraska · United States · USGS NWIS
Harlan County Lake Near Republican City, Nebr.
51.7% full
Capacity
404.09 hm³
Volume stored
209 hm³
Vs month average
83% of normal
Coordinates
40.072°N, 99.212°W
Last updated
2026-10-12
Current fill
51.7%vs 7 days ago
-0.2%losing
vs 1 year ago
-5.0%year-over-year
7-day trend
→stable
Drought context
Storage vs October average
83%of normal
51.7% full on 2026-10-12, against an average of 62.5% for October across 5 years of readings (-10.8 points).
Drought Monitor at this site · 6 October 2026
Nonenot in a drought category
Harlan County Lake Near Republican City, Nebr.'s coordinates fall outside every category on the weekly U.S. Drought Monitor map. That describes local conditions — rainfall, soil moisture, streamflow — not the reservoir's storage. Nebraska drought figures →
Data source: USGS National Water Information System (NWIS) — daily reservoir storage volume. Capacity is the design (normal full-pool) capacity from the US National Inventory of Dams (NID); fill % = current volume ÷ design capacity. Last reading: 2026-10-12.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 40.072, -99.212 · Open in Google Maps
About Harlan County Lake Near Republican City, Nebr.
As of October 12, 2026, Harlan County Lake Near Republican City, Nebr. is filled to 51.7% of its total capacity, holding roughly 209 hm³ of water out of a maximum 404 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has held broadly steady (-0.2 pts), and it is 5.0 points below its level on the same date a year earlier.
Across the readings we hold for Harlan County Lake Near Republican City, Nebr. — 1460 data points between October 13, 2022 and October 12, 2026 — the level has ranged from a low of 49.6% (September 22, 2026) to a high of 84.8% (June 18, 2024). On average the reservoir is fullest around June and at its lowest around September.
It is operated by USGS primarily for multiple purposes. It lies within the Nebraska basin at 40.072°N, 99.212°W.
Key facts
- Current fill level
- 51.7%
- Water stored
- 209 hm³
- Total capacity
- 404 hm³
- 7-day change
- ▼ 0.2 pts
- Year-on-year
- ▼ 5.0 pts
- Primary use
- Multipurpose
- River basin
- Nebraska
- Operator
- USGS
- Coordinates
- 40.072°N, 99.212°W
- Last updated
- October 12, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 12 Oct 2026 | 51.7% | 209 |
| 11 Oct 2026 | 51.8% | 209 |
| 10 Oct 2026 | 51.8% | 209 |
| 9 Oct 2026 | 51.9% | 210 |
| 8 Oct 2026 | 51.9% | 210 |
| 7 Oct 2026 | 51.9% | 210 |
| 6 Oct 2026 | 51.9% | 210 |
| 5 Oct 2026 | 51.9% | 210 |
| 4 Oct 2026 | 51.9% | 210 |
| 3 Oct 2026 | 51.9% | 210 |
| 2 Oct 2026 | 51.8% | 209 |
| 1 Oct 2026 | 51.8% | 209 |