Reservoir · Nebraska · United States · USGS NWIS
Harlan County Lake Near Republican City, Nebr.
51.9% full
Capacity
404.09 hm³
Volume stored
210 hm³
Vs month average
86% of normal
Coordinates
40.072°N, 99.212°W
Last updated
2026-10-28
Current fill
51.9%vs 7 days ago
+0.2 ppgaining
vs 1 year ago
-4.8 ppyear-over-year
7-day trend
→stable
Drought context
Storage vs October average
86%of normal
51.9% full on 2026-10-28, against an average of 60.1% for October across 5 years of readings (-8.2 points).
Drought Monitor at this site · 27 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: 2026-10-28.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 40.072°N, 99.212°W · Open in Google Maps
About Harlan County Lake Near Republican City, Nebr.
As of October 28, 2026, Harlan County Lake Near Republican City, Nebr. is filled to 51.9% of its total capacity, holding 209.57 hm³ of water out of a maximum 404.09 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 pp), and it is 4.8 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 29, 2022 and October 28, 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 is at 40.072°N, 99.212°W.
Key facts
- Current fill level
- 51.9% of total capacity
- Water stored
- 209.57 hm³
- Total capacity
- 404.09 hm³
- 7-day change
- ▲ 0.2 pp
- Year-on-year
- ▼ 4.8 pp
- Primary use
- Multipurpose
- Operator
- USGS
- Coordinates
- 40.072°N, 99.212°W
- Last updated
- October 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Oct 2026 | 51.9% | 209.57 |
| 27 Oct 2026 | 51.8% | 209.45 |
| 26 Oct 2026 | 51.8% | 209.45 |
| 25 Oct 2026 | 51.8% | 209.2 |
| 24 Oct 2026 | 51.7% | 208.83 |
| 23 Oct 2026 | 51.6% | 208.71 |
| 22 Oct 2026 | 51.6% | 208.71 |
| 21 Oct 2026 | 51.7% | 208.83 |
| 20 Oct 2026 | 51.6% | 208.71 |
| 19 Oct 2026 | 51.7% | 208.83 |
| 18 Oct 2026 | 51.7% | 208.83 |
| 17 Oct 2026 | 51.7% | 208.83 |