# Czech‑Slovak fish farms drought crisis > Live situation record from CLSTR: https://clstr.news/situations/czechslovak-fish-farms-drought-crisis > Updated: 2026-08-07T08:48:57.000Z. Sources: 5. Developments: 2. In early August 2026, severe heat and a lack of rain created a major water shortage across the Czech Republic and western Slovakia. The state‑owned Rybářství Třeboň fishery reported a 37 % drop in its water volume, prompting early pond harvests, reduced feeding, intensified aeration and emergency fish removals to avoid mass die‑offs. Simultaneously, Slovak fishing groups rescued nearly 500 kg of carp, pike, catfish and other species from drying streams in the Považie region. Two days later, the drought’s impact deepened in eastern Slovakia. The 110‑hectare Perín‑Chym fish ponds, a protected wetland, faced record‑low water levels and temperatures approaching 35 °C. Oxygen depletion forced continuous aeration, raising costs and threatening a catastrophic fish mortality before the October harvest. Operators began liming to stabilise pH, but the underlying drought remained beyond local control, highlighting the escalating crisis for aquaculture in the region. ## Timeline ### 2026-08-07: Perín‑Chym fish ponds face critical water shortage amid extreme heat Extreme heat in Slovakia has lowered water levels and raised temperatures in the Perín‑Chym fish ponds, causing oxygen loss, higher costs and a risk of massive fish deaths, according to pond manager Matej Grent 2 sources. https://clstr.news/cluster/pernchym-fish-ponds-face-critical-water-shortage-amid-extreme-heat ### 2026-08-05: Drought forces Czech and Slovak fish farms to cut water and rescue fish Severe drought in Czech and Slovak regions has slashed water levels at Rybářství Třeboň, prompting early fish harvests, while Slovak anglers rescued hundreds of kilograms of fish from drying streams. 3 sources. https://clstr.news/cluster/drought-forces-czech-and-slovak-fish-farms-to-cut-water-and-rescue-fish --- Cite as: Czech‑Slovak fish farms drought crisis. CLSTR, https://clstr.news/situations/czechslovak-fish-farms-drought-crisis