Reservoir · Nebraska · United States · USGS NWIS
Harlan County Lake Near Republican City, Nebr.
58.5% full
Capacity
404.09 hm³
Volume stored
237 hm³
Coordinates
40.072°N, 99.212°W
Last updated
2026-07-29
Current fill
58.5%vs 7 days ago
+0.1%gaining
vs 1 year ago
-8.2%year-over-year
7-day trend
→stable
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: 2026-07-29.
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 July 29, 2026, Harlan County Lake Near Republican City, Nebr. is filled to 58.5% of its total capacity, holding roughly 237 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 (+0.1 pts), and it is 8.2 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 July 30, 2022 and July 29, 2026 — the level has ranged from a low of 56.4% (October 23, 2025) to a high of 85.3% (July 30, 2022). On average the reservoir is fullest around June and at its lowest around November.
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
- 58.5%
- Water stored
- 237 hm³
- Total capacity
- 404 hm³
- 7-day change
- ▲ 0.1 pts
- Year-on-year
- ▼ 8.2 pts
- Primary use
- Multipurpose
- River basin
- Nebraska
- Operator
- USGS
- Coordinates
- 40.072°N, 99.212°W
- Last updated
- July 29, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 29 Jul 2026 | 58.5% | 237 |
| 28 Jul 2026 | 58.4% | 236 |
| 27 Jul 2026 | 58.7% | 237 |
| 26 Jul 2026 | 58.9% | 238 |
| 25 Jul 2026 | 59.0% | 239 |
| 24 Jul 2026 | 59.1% | 239 |
| 23 Jul 2026 | 59.2% | 239 |
| 22 Jul 2026 | 59.3% | 240 |
| 21 Jul 2026 | 59.8% | 242 |
| 20 Jul 2026 | 60.2% | 243 |
| 19 Jul 2026 | 60.6% | 245 |
| 18 Jul 2026 | 61.0% | 246 |
Frequently asked questions
What is the current water level of Harlan County Lake Near Republican City, Nebr.?
As of July 29, 2026, Harlan County Lake Near Republican City, Nebr. is at 58.5% of its capacity, holding approximately 237 hm³ of water, according to USGS NWIS data.
Is Harlan County Lake Near Republican City, Nebr. reservoir full?
No. As of July 29, 2026, Harlan County Lake Near Republican City, Nebr. is within its normal operating range at 58.5% of its capacity, so it is not full.
Is the water level at Harlan County Lake Near Republican City, Nebr. rising or falling?
The level at Harlan County Lake Near Republican City, Nebr. has been broadly stable over the latest week on record (+0.1 points).
How much water can Harlan County Lake Near Republican City, Nebr. hold?
Harlan County Lake Near Republican City, Nebr. has a total capacity of 404 hm³.
Where is Harlan County Lake Near Republican City, Nebr. reservoir located?
Harlan County Lake Near Republican City, Nebr. is located in Nebraska, United States, within the Nebraska basin (coordinates 40.072°N, 99.212°W).
What is Harlan County Lake Near Republican City, Nebr. used for?
Harlan County Lake Near Republican City, Nebr. is used primarily for multiple purposes, and is managed by USGS.

