Dukiełka

The Dukiełka begins in the southern part of the village of Teodorówka, at the foot of Chyrowa [pl], at an altitude of about 590 m (1,940 ft) above sea level.^[4] In its upper course, the stream flows northward, skirting the Krzemionka hill from the west.^[4] In the central part of Teodorówka, it receives its left-bank tributary, the Krzemionka, and then turns eastward.^[4][5][6] Along this stretch, it forms the boundary between Teodorówka and Nadole, and later between Nadole and the city of Dukla^[4].

Within Dukla, the stream flows under National Road No. 19, and near the city park it joins the Jasiołka [pl] as its left tributary at approximately 323 m (1,060 ft) above sea level.^[4][1][7] The total length of the watercourse is 7.2 km (4.5 mi), and at its widest point it measures about 6.5 m (21 ft).^[4]

As well as the Krzemionka, the Kalitówka stream is sometimes also listed as a tributary of the Dukiełka.^[8]

In the Middle Ages, the mouth of the Dukiełka marked the site of the first settlement of Dukla, which developed upstream along the stream.^[2] Near its mouth stood a brewery built probably before 1875, which was destroyed by fire in 1895. The brewery used water from the stream for beer production.^[9]

In 2014, the stream area was affected by flooding.^[10]

The Dukiełka forms the boundary between two parishes in Dukla: the St. Mary Magdalene parish [pl] (right bank) and the St. John of Dukla parish [pl] (left bank), effectively dividing the town in half.^[11]

The catchment area of the Dukiełka belongs to the protected water body named Jasiołka od Panny do Chlebianki (English: Jasiołka from Panna to Chlebianka) (code RW2000142184599).^[12] Its valley serves as an ecological corridor used by bats such as the greater mouse-eared bat and the lesser horseshoe bat.^[13][14]

The Dukiełka, together with the Krzemionka and an unnamed tributary of the Krzemionka, are listed in the Rozporządzeniu Rady Ministrów z dnia 17 grudnia 2002 r. w sprawie śródlądowych wód powierzchniowych lub części stanowiących własność publiczną (English: Regulation of the Council of Ministers of 17 December 2002 on inland surface waters or their parts constituting public property) as important for water resource management and flood protection.^[6] A weir crosses the stream within Dukla.^[12] The area of 3.8 km (2.4 mi) from the mouth of the Dukiełka has been designated by Wody Polskie [pl] as an ONNP (Obszar narażony na niebezpieczeństwo powodzi; English: Area exposed to the risk of flooding).^[10]

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  Dukiełka in Teodorówka
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  The Dukiełka near its confluence with the Krzemionka
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  Mouth of the Dukiełka into the Jasiołka [pl]
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  Weir on the Dukiełka in Dukla
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  Road sign with the name "Dukielka"
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  Dukiełka with raised water level