Lake Athens

As of October 13, 2026, Lake Athens is filled to 97.6% of its total capacity, holding roughly 36 hm³ of water out of a maximum 36 hm³. At this level the reservoir is high.

Over the most recent week on record the fill level has held broadly steady (-0.2 pts), and it is 2.0 points below its level on the same date a year earlier.

Across the readings we hold for Lake Athens — 1460 data points between October 15, 2022 and October 13, 2026 — the level has ranged from a low of 88.3% (October 21, 2023) to a high of 100.0% (January 31, 2023). On average the reservoir is fullest around March and at its lowest around October.

It is operated by TWDB primarily for multiple purposes. It lies within the Texas basin at 32.211°N, 95.765°W.