RS Kerr LD15

As of September 11, 2026, RS Kerr LD15 is filled to 68.0% of its total capacity, holding roughly 441 hm³ of water out of a maximum 648 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 (-0.7 pts).

Across the readings we hold for RS Kerr LD15 — 330 data points between September 12, 2021 and September 11, 2026 — the level has ranged from a low of 66.4% (July 18, 2026) to a high of 101.1% (March 30, 2022). On average the reservoir is fullest around April and at its lowest around August.

It is operated by USACE primarily for multiple purposes. It lies within the Oklahoma basin at 35.348°N, 94.778°W.