reservoirs.earth logo
Reservoirs.EARTH
Castile and León
NormalMulti-purpose

Pías (San Agustín)

Zamora · Castile and León · Miño - Sil

Capacity

10 hm³

Coordinates

42.108°N, 6.989°W

Operator

CHS

40.0% full

Current fill

40.0%
Normal

vs 7 days ago

-10.0%

losing

vs 1 year ago

0.0%

year-over-year

7-day trend

falling

Catchment Weather

Past 30 days + 14-day forecast · Open-Meteo

Technical specifications

Total capacity10 hm³
Usable capacity9 hm³
Primary useMulti-purpose
OperatorCHS
ProvinceZamora
Autonomous communityCastile and León
River basinMiño - Sil
Data source:embalses.net·Last reading: 2026-09-07

Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.108, -6.989 · Open in Google Maps

About Pías (San Agustín)

As of September 7, 2026, Pías (San Agustín) is filled to 40.0% of its total capacity, holding roughly 4 hm³ of water out of a maximum 10 hm³. At this level the reservoir is within its normal operating range. Of that total, about 9 hm³ is usable (live) storage.

Over the most recent week on record the fill level has fallen by 10.0 percentage points, and it sits close to where it was a year earlier.

Across the readings we hold for Pías (San Agustín) — 419 data points between September 4, 2018 and September 7, 2026 — the level has ranged from a low of 30.0% (October 7, 2025) to a high of 90.0% (December 3, 2019). On average the reservoir is fullest around February and at its lowest around June.

It is operated by CHS primarily for multiple purposes. It lies within the Miño - Sil basin at 42.108°N, 6.989°W.

Key facts

Current fill level
40.0%
Water stored
4 hm³
Total capacity
10 hm³
Usable capacity
9 hm³
7-day change
▼ 10.0 pts
Year-on-year
No change
Primary use
Multipurpose
River basin
Miño - Sil
Operator
CHS
Coordinates
42.108°N, 6.989°W
Last updated
September 7, 2026

Recent readings

DateFill levelVolume (hm³)
7 Sep 202640.0%4
1 Sep 202650.0%5
25 Aug 202640.0%4
18 Aug 202650.0%5
11 Aug 202650.0%5
4 Aug 202650.0%5
28 Jul 202650.0%5
21 Jul 202650.0%5
14 Jul 202650.0%5
7 Jul 202650.0%5
30 Jun 202660.0%6
23 Jun 202680.0%8

Nearby reservoirs

ShareXLinkedInWhatsApp