Accidental contaminant spills

The text is based on the chapter Accidental contaminant spills through the public water supply system published in yearbook Prague Environment 2005.

Two institutions are authorised to perform government functions in water management in accordance with the Act No. 130/1974 Code, as amended by the Act No. 458/1992 Code. These are the Czech Environmental Inspection (CEI) – Prague Regional Inspectorate, Department of Water Protection, and the Prague City Hall (Magistrát hl. m. Prahy – MHMP) – Division for Development, Department of Water Management. Both the institutions are the authorities where cases of accidental spills of groundwater and surface water contaminants are to be reported to and which take actions in such accidents (decontamination, remedial measures, and fines to polluters). The following accident overviews are taken from the registries of the cases addressed by the CEI and MHMP.

In 2004 the Department of Water Protection of the CEI, Prague Regional Inspectorate registered 82 accident contamination spills into waters. In 66 cases the accident contamination originator was not identified. The MHMP, Division for Development, Department of Water Management investigated twenty-four accidents.

Tab. Overview of Accidents Registered by the CEI Prague Office in 2004

Date	Originator	Cause of the contamination	Contaminant spilled, quantity	Accident Location
20. 1. 2004	not found	not identified	not identified	Podolí Embankment, Street Modřanská
22. 1. 2004	Modřanská potrubní, a. s.	not identified	not identified	Libušský Creek, Prague 4 - Modřany – Modřany Gorge
27. 1. 2004	not found	not identified	not identified	Štěrboholský Creek at crossing of Streets Nedokončená and Ústřední
31. 1. 2004	SOFIL, s. r. o.	human failure	ammonia (ammonium hydroxide)	Praha Sedlec, Frost Facility Sofil
5. 2. 2004	not found	not identified	not identified	Prague Nebušice – WWTP Nebušice
6. 2. 2004	Pražské vodovody a kanalizace, a. s.	technical failure	waste water	Prague Kolovraty WWTP
7. 2. 2004	not found	not identified	not identified	Praha 11 - Milíčov, Retention Reservoir Vrah
10. 2. 2004	Jan Šín ASP	human failure	diesel fuel, 200–400 l	Praha, Jižní spojka approx. 500 metres from the Barrandov Bridge
16. 2. 2004	Nemocnice na Bulovce	human failure	diesel fuel	Prague 8, premises of the Bulovka Hospital
20. 2. 2004	not found	human failure	hydraulic oil, cca 200 l	Prague 9, Street Kbelská
23. 2. 2004	not found	not identified	waste	Praha 14, ul. Hamerská, public well
25. 2. 2004	not found	not identified	not identified	premises of Letov Letňany, WWTP Miškovice, Mratínský Creek
29. 2. 2004	Pražské vodovody a kanalizace, a. s.	not identified	waste water	Blatovský Creek from Újezd nad Lesy to Běchovice
10. 3. 2004	not found	not identified	not identified	Praha, Radotín
10. 3. 2004	not found	not identified	foam on water level	Prague, area below the Mánes Bridge
14. 3. 2004	not found	not identified	not identified	Prague 9, Lake Kyjský
17. 3. 2004	not found	not identified	sewerage waste water	Radotín, the Berounka River
18. 3. 2004	not found	not identified	not identified	Řeporyje
19. 3. 2004	not found	not identified	not identified	Praha Čakovice, Street Schollerova
19. 3. 2004	not found	not identified	not identified	Praha Dubeč, Lake Rohožník
23. 3. 2004	not found	not identified	not identified	Praha – port Holešovice
26. 3. 2004	not found	human failure	petrol, oil	Prague 7, Street Za elektrárnou
26. 3. 2004	not found	human failure	motor fuel, approx. 1 l	Crossing of streets K přehradám and Strakonická, Praha 5
28. 3. 2004	not found	not identified	not identified	Chodovecký Creek, Retention reservoir R5, Street Choceradská, Praha 4 - Spořilov
29. 3. 2004	not found	not identified	wax with solvent	Praha 11, Košíkovský Creek, Retention reservoir
4. 4. 2004	not found	not identified	not identified	Hostavický Creek, Praha 9
5. 4. 2004	not found	human failure	waste water	Podolí Embankment, Praha 4
7. 4. 2004	not found	not identified	not identified	Praha, Kampa
9. 4. 2004	Pragolaktos, a. s.	human failure	waste water	Prague 9, Hostavický Creek
25. 4. 2004	not found	not identified	not identified	Praha 4, Street U přehrady
30. 4. 2004	Pražské vodovody a kanalizace, a. s.	technical failure	not identified	Praha 1, Wilsonova ul.
3. 5. 2004	not found	human failure	insolube matter containg PCBs, 360 kg	Nademlejnská ul., ul. U Elektry, Lake Hořejší, Praha 9 - Hloubětín
4. 5. 2004	Vodovody a kanalizace Říčany u Prahy, spol. s r. o.	technical failure	waste water	Praha Kolovraty, Říčanka Stream
4. 5. 2004	not found	not identified	not identified	Litovický Creek, reservoir Džbán
11. 5. 2004	not found	not identified	not identified	Botič Stream, near the Theatre Na Fidlovačce
11. 5. 2004	not found	not identified	not identified	Lake Šeberák
11. 5. 2004	not found	not identified	not identified	Praha 5, Smíchov
12. 5. 2004	not found	not identified	not identified	Průhonická Street, Praha 10
26. 5. 2004	not found	not identified	ammonia – solution	Praha 9, Dolní Počernice, Hostavický Creek
30. 5. 2004	not found	not identified	solvent	ul. Přátelství, Praha Uhříněves
3. 6. 2004	not found	not identified	not identified	Praha 9, Hořejší
5. 6. 2004	not found	not identified	not identified	Praha 9 - Kyje, Lake Kyjský
10. 6. 2004	not found	not identified	not identified	Praha 15, ul. U Břehu, Botič Stream
10. 6. 2004	Pražské vodovody a kanalizace, a. s.	technical failure	waste water	ul. Na Blatech, a ul. Červený mlýn, Praha 8, Ďáblice
14. 6. 2004	Inženýrské stavby Praha, s. r. o.	human failure	discharge from construction hole and gas pipeline flushing	Praha Bohnice, ul. V Zámcích, Vltava River
15. 6. 2004	not found	not identified	not identified	Praha, ul. Za Rokytkou
22. 6. 2004	not found	not identified	not identified	Praha 10, Hostivař, ul. U Břehu
26. 6. 2004	Pražská teplárenská, a. s.	technical failure	hydrochloric acid, 200 l	Praha 7, Holešovice, Partyzánská ul.
30. 6. 2004	not found	uman failure	petrol, cca 20 l	Praha, Klánovice
13. 7. 2004	not found	not identified	sewerage waste water	Praha 9, Rokytka Stream, underneath streets Českobrodská and Pod Táborem
14. 7. 2004	not found	not identified	sewerage waste water	Praha, Štvanice
18. 7. 2004	not found	not identified	not identified	ul. U Břehu, Praha 10, Botič Stream
19. 7. 2004	not found	not identified	not identified	Praha 4, ul. K Horkám, Mírového hnutí, retention reservoir
19. 7. 2004	not found	human failure	oil, 2 l	ul. Křižovnická a Platnérská, Praha
26. 7. 2004	Universitní sportovní klub Praha	technical failure	ammonia	Praha 10, Botič Stream, Havlíčkovy Orchards
2. 8. 2004	not found	not identified	not identified	Prague 22, Lake Vodice
3. 8. 2004	not found	not identified	not identified	Prague 5, Berounka River
5. 8. 2004	not found	not identified	not identified	Praha 5, Lochkov, retention reservoir
5. 8. 2004	not found	not identified	not identified	Vltava River near the Hospital na Františku
8. 8. 2004	not found	technical failure	waste water	Prague 22, Lake Vodice
26. 8. 2004	not found	human failure	oil	Praha 19 - Třeboradice
31. 8. 2004	not found	technical failure	sewerage waste water	Praha, opposite to the Štvanice Island, Town Wall Dyke
2. 9. 2004	not found	technical failure	sewerage waste water	Praha, Štvanice, Town Wall Dyke
2. 9. 2004	not found	human failure	HCl	Praha ul. Průmyslová, Černokostelecká
2. 9. 2004	not found	not identified	not identified	Praha 6, Radimova ul.
5. 9. 2004	not found	human failure	vegetable oil	Praha, near Štefánikův Bridge
24. 9. 2004	not found	not identified	oil	Na Florenci 5, Praha 8
7. 10. 2004	not found	not identified	vegetable oil	Praha Podolí, port
8. 10. 2004	not found	not identified	not identified	port Holešovice
14. 10. 2004	not found	not identified	sewerage waste water	Prague 1, Alšovo Embankment
16. 10. 2004	not found	human failure	oil, 2 l	Křižovatka ul. Rabakovská - Legerova
20. 10. 2004	not found	not identified	not identified	retention reservoir R1, ul. U Přehrady, Praha 11
22. 10. 2004	not found	not identified	oils, 100–200 l	Praha Troja - Klecany
30. 10. 2004	not found	technical failure	sewerage waste water	ul. Pod Smetankou, Rokytka Stream
4. 11. 2004	not found	not identified	not identified	ul. Modrá, retention reservoir
5. 11. 2004	Čechofracht, a. s.	not identified	not identified (aviváž)	Lake Kyjský
11. 11. 2004	Metrostav, a. s.	technical failure	clay	Praha 9, Praha 8, Rokytka od Poděbradské na Elznicovo nám.
17. 11. 2004	not found	not identified	not identified	retenční nádrž Choceradská ulice Praha 4
21. 11. 2004	not found	not identified	unknown foam	Rokytka Stream near its mouth, Vltava River
30. 11. 2004	Roman Šmidberský	not identified	diesel fuel	crossing of streets Novořeporyjská - K Barrandovu
1. 12. 2004	not found	not identified	clay	Praha 4, Kunratický Creek near Thomayerova Hospital
31. 12. 2004	not found	not identified	not identified	Praha Miškovice, WWTP Miškovice

Source: ČIŽP

Tab. Overview of Accidents Registered by the MHMP in 2004

Date	Accident Location	Contaminant spilled	Contaminated site
22. 1. 2004	Cholupický Creek	xylenes	surface water
27. 1. 2004	Štěrboholský Creek near Street Ústřední	solvents	surface water
28. 1. 2004	right bank of the Vltava River – Podolské Embankment	oil spill	surface water
10. 2. 2004	Jižní spojka communication after the Barrandovský Bridge	diesel fuel	surface water
26. 2. 2004	WWTP Miškovice	solvents, compounds containing Zn and Fe	surface water
14. 3. 2004	right shore of Lake Kyjský near Street Lánská	insoluble matter, light oil	surface water
18. 3. 2004	Dalejský Creek and its left bank tributary near Street Ebrova	faecal contamination	surface water
22. 3. 2004	Holešovický Port	oil spill	surface water
29. 3. 2004	Retention reservoir at Košíkovský Creek near the crossing of streets Doupovská and K Horkám	insoluble matter, petrol, and light oil	surface water
9. 4. 2004	Pragolaktos, a. s. – Hostavický Creek	NaOH, HNO₃	surface water
25. 4. 2004	Retention reservoir (DUN) near Street U přehrady, Hostivař	oil spill	surface water
3. 5. 2004	Lake Hořejší – Streets Nademlejnská and U Elektry	insoluble matter containing PCBs	surface water
12. 5. 2004	Slatinský Creek, Street Průhonická, Praha 10	oil spill	surface water
30. 5. 2004	Říčanský Creek, Street Přátelství – Uhříněves	sewerage waste water	surface water
10. 6. 2004	ul. Na Blatech, Praha 8	sewerage waste water	groundwater
14. 6. 2004	pravý břeh Vltavy při ul. V zámcích	oil spill	surface water
30. 6. 2004	ul. Mechovka, Klánovice	petrol and oil	groundwater
9. 7. 2004	Vltava River in Bohnice	oil spill	surface water
19. 7. 2004	RN na Košíkovském potoce – dolní, ul. Doupovská a K Horkám retention reservoir	oil spill	surface water
8. 8. 2004	Lake Nadýmač, Uhříněves	escape of WTP Říčany	surface water
9. 8. 2004	ul. U Břehu, Praha 10	organic solvents	surface water
26. 8. 2004	Třeboradický Creek	oil spill	surface water
7. 10. 2004	right bank of the Vltava River – Rowers’ Island	insoluble matter and edible oils	surface water
17. 11. 2004	Chodovecký Creek, Prague 4, Street Choceradská	oil spill	surface water

Source: OOP MHMP

30. května 2006

Accidental contaminant spills

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