Delineation, Characterization and Monitoring of Transboundary

Delineation, characterization and monitoring of transboundary groundwater bodies in the Dnieper river basin (Ukraine) and the Pripyat river basin (Republic of Belarus) under the European Water Initiative Plus for the Eastern Partnership countries Vasneva Olga, Berezko Olga 1; Luta Nataliya, Sanina Irina 2; Andreas Scheidleder, Franko Humer 3. 1 - Branch «Institute of Geology» of the State Enterprise “Research and Production Center for Geology”; 2 - Ukrainian State Geological Prospecting Institute; 3 - Umweltbundesamt-Environment Agency Austria

1. Geological and hydrogeological conditions of the Pripyat river basins (Republic of Belarus) and the Dnieper (Ukraine) 4. Generalized Belarus-Ukraine transboundary groundwater bodies

Dnieper river Basin in Ukrain Pripyat River Basin Hydrogeological characteristics of the identiﬁed water bodies of the transbondary in Belarus territiry of Belarus and Ukrain Thickness of Hydrogeological Lithology of Depth, m Hydrogeological survey data aquifer Water level Pressure parameters № Point Name Location Aquifer Index water-bearing (aquiferous depth, m value, m Kf, Кm, Discharge, Level Discharge per rocks top, m base, m complex), m m/day m2/day l/sec decrease, m unit, l/sec 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Harmonization of transboundary water bodies of the territory aIIIpz sand 0 8,0-12,0 8,0-120 of Belarus and Ukraine Narovlya, Gomel 1 Narovlya f,lgI-II sand 8,0-12,0 21,0-31,0 13,0-19,0 4,5-4,6 5,4-7,5 6,9-8,47 1,5-2,4 3,5-4,6 region GWB code (Belarus) GWB code (Ukraine) P3hr sand 24,5-29,0 80,0-107,0 6,5-68,0 7,0-20,0 0-21 90,0-170,0 9,46-23,33 13,0-32,5 23,9-66,3 fIIds sand 0 20,2-26,0 20,2-26,0 5,2 22,2 2,67 8,1 0,32 Lelchitsy, Gomel 2 Lelchitsy Pkn-hr sand 41,2-47,1 67,4-73,0 24,0-27,0 7,4-13,8 33,1-35,4 98 10,0-12,5 7,1-11,5 0,95-1,76 region 1 BYPRGW0001 UAM5.1GW0001 C1v sand 104,8-116,5 301,0-325,0 186,0-220,0 7,2-8,3 101,6-107,8 238,0-760,0 13,33-19,9 5,4-18,7 0,94-3,35 aIIIpz sand 0 2,0-6,0 2,0-6,0 Luninets, Brest UAM5.1GW0002 и 3 Lunin P+Q sand 30,0-50,0 40,0-70,0 10,0-20,0 1,5-2,7 region 2 BYPRGW0002 R2pn sandstone 72,0-76,0 272,0-306* 200,0*-230,0* 2,2-3,4 69,8-72,6 UAM5.1GW0006 Mikashevichi, Brest 4 Sluch-2 R2pn sandstone 140-220,0 215,0-300,0 75,0*-80,0* 1,8-4,0 138,2-140,0 150,0 5,08-10,5 20,0-47,7 region fIIds sand 15,8-22,0 33,9-35,4 12,4-19,2 2,2 17,8 77,0 3,6 17,4 18,1 3 BYPRGW0005 UAM5.1GW0003 Chojniki, Gomel 5 Gorodskoy P sand 36,0-62,0 68,0-118,2 16,2-57,7 2,7-8,0 29,0-38,0 220,0-420,0 10,4-24,4 5,0-31,0 2,94 region K2s2-k chalk 68,0-118,2 116,0-145,0 9,3*-35,4* 2,4 107,2 0,13 43,6 0,3 UAM5.1GW0012 и fIIds sand 0 0,9-20,8 0,9-20,8 1,0-3,6 w/o 0,08-4,0 0,01-0,54 2,20-2,1 4 BYPRGW0006 fI-II sand 4,2-38,5 5,5-103,0 1,3-52,8 1,3-8,0 26,5 21,0-402,0 1,2-6,5 28,0-9,48 0,04-1,25 UAM5.1GW0013 Ivanava, Brest 6 Lesnoy Pkv+hr sand, silt 18,5-53,4 24,6-95,1 6,1-41,7 0,6-7,0 20,2-41,3 15,0-92,0 1,4-4,8 36,0-13,09 region K2t chalk 32,0-63,5 33,8-121,3 1,8-57,8 48,5-51,3 3,3 12,0 0,08 UAM5.1GW0014 и 5 BYPRGW0007 R2pn sandstone 82,0-113,0 483,2-526,0 90,0-226,0 6,8-9,6 75,2-103,4 119,0-314,0 1,4-16,7 30,5-14,0 0,05-2,56 aIV, aIIIpz sand 0-1 1,0-10,0 2,0-8,0 0,02-1,8 w/o 2,7-8,0 0,83 2,02 0,41 UAM5.1GW0019 Pina-2 fIIds sand 0-10,0 2,0-17,0 2,0-17,0 2,0-5,0 w/o 0,08-4,0 0,01-0,54 2,1-2,2 7 Pinsk, Brest region R2pn sandstone 78,0-87,0 228,0-277 150,0-190,0 5,5-8,0 63,0 75,0-85,0 8,3-12,8 19,5-25,0 0,12-1,9 6 BYPRGW0009 UAM5.1GW0025 Pina-1 R2pn sandstone 85,0-90,0 185,0-220,0 100,0-130,0 15,0-20,0 63,0 75,0 7,2-15,6 12-32,8

Strumen' K2t chalk, marl 33,0-38,0 62,0-65,0 30,0-40,0 1,0-2,0 31,0-35,0 125,0-220,0 0,6 12,7 0,047 fIIds sand 0,-0,5 4,5-15,0 4,5-14,5 4,9 w/o 12,5 18,04 0,69 P+Q sand 4,5-15,0 36,16-57,0 31,66-42,0 2,17-5,58 330,0 5,0-12,5 5,67-18,04 0,43-0,69 8 Horyn Stolin, Brest region 12,2- K2(K2t+K2s) chalk, sand 40,0-49,8 52,2-64,0 17,0 1,07 25,5 0,04 14,2(2,2+6,6)

R2pn+Vgr sandstone 71,0-151,8 442,0 15,0-442,0 0,3-4,3 147,48 170,0 15,68 10,05 1,56

s Davyd-Haradok, aIV+fIId sand 0,0 23,4-54,6 23,4-54,6 0,0-1,8 w/o 2,2-4,4 1,0-12,0 9 Starorech'ye Brest region P2kv sand 23,4-54,6 43,4-77,6 20,0 0,9-3,0 2,5-4,0 0,4-11,0 0,36-6,25

5. Groundwater monitoring in the transboundary territory of Belarus

2.Conceptual model of study area Map-scheme of groundwater monitoring Hydrogeochemical regime in natural conditions Hydrodynamic variations in the Republic of Belarus Groundwater monitoring of transboundary territory within Индекс Дата Сухой Жесткость Окисляемость the Pripyat river basin in natural conditions Название №№ Cl-, SO -, NH +, NO -, NO , Na+, K+, Ca+, Mg+, HCO -, водоносного отбора рН остаток, общая, перманг., 4 4 3 2 3 поста скв. мг/дм3 мг/дм3 мг/дм3 мг/дм3 мг/дм3 мг/дм3 мг/дм3 мг/дм3 мг/дм3 мг/дм3 Schematic map of groundwater Schematic map of hydroisopiestic горизонта пробы мг/дм3 мг-экв/дм3 мгО /дм3 Transboundary territory 2 hydroisohypses lines of the BYPRGW0006 Transboundary territory ПДК 6-9 1000 7 5 350 500 2 45 3 200 of the Republic of Belarus of the Ukraine Пинский 30 aIV 12.07.10 7,6 147 2,14 0,1 9,9 11,1 <0,1 1,1 <0,01 0,9 0,9 33,1 6 112,9 Пинский 30 aIV 19.03.11 7,66 174 2,34 1,3 7,7 16,5 1 0,1 <0,01 5,3 0,8 37,3 5,8 128,1 Пинский 30 aIV 04.04.12 7,59 168 2,8 1,28 10 11,5 0,1 1,7 <0,01 6 1 40,3 9 149,5 Пинский 30 aIV 28.04.13 7,47 170 2,54 0,5 14,1 17,3 0,1 0,8 <0,01 4,7 0,8 40,1 6,6 125,1 Пинский 30 aIV 20.03.14 7 164 2,47 1,4 15 18,1 <0,1 1 <0,01 5,7 1 40,8 5,2 122 Пинский 30 aIV 21.02.15 7,54 165 2,63 0,48 7,9 15,2 <0,1 <0,1 <0,01 5,6 1,2 40,1 7,7 143,4 Пинский 30 aIV 16.07.16 7,48 138 2,2 1 12,1 8,2 <0,1 2,6 <0,01 5 1 35,3 5,4 119 Пинский 31 aIIIpz 27.03.17 6,25 76 0,33 2,32 11 10,7 0,2 0,4 <0,01 6,8 6,7 6,6 <1,0 42,7 Пинский 31 aIIIpz 08.10.18 6,2 93 0,59 _ 8,4 25,5 <0,1 2,18 0,3 6,2 8,3 8,7 2 18,3

Hydrogeochemical regime in disturbed conditions Hydrodynamic variations in disturbed conditions

Индекс Окисляем Дата Жесткость Сухой Общая - - - - + + + + + Fe Водозабор "Лучежевичи" г. Мозырь Groundwater monitoring of transboundary territory within Название водоносно ость Cl , SO4 , HCO3 , NO3 , Na , K , Ca , Mg , NH4 , NO2, Абс.отм.уровня,м №№ скв. отбора рН общая, мг- остаток, минерализа 3 3 3 3 3 3 3 3 3 общее, 3 водозабора го 3 3 3 перманг., мг/дм мг/дм мг/дм мг/дм мг/дм мг/дм мг/дм мг/дм мг/дм 3 мг/дм пробы экв/дм мг/дм ция, мг/дм 3 мг/дм the Pripyat river basin in conditions disturbed by operation горизонта мгО2/дм 124,0 45000 6-9 7 1000 1000 5 350 500 45 200 2 0,3 3 122,0 40000 Лесной-1 1 aIIIpz 03.09.10 8,1 2,48 172 _ 2,08 5,7 11,5 161,7 0,2 5,6 1 27,6 13,4 0,1 12,1* 0,01 35000 The direction of the groundwater aquifer is oriened towards river The direction of ﬂow of the generalized aquifer is oriented Калинковичи 120,0 В Database “Groundwater of the о Лесной-1 30000 д 1 aIIIpz 01.08.11 8,3 1,84 133 _ 1 9,6 7,8 112,9 1,3 6,7 1,1 18,5 11,2 0,1 7,2* <0,01 о valleys, i.e. to the channels of the Pripyat River and its tributaries towards the Pripyat river valley Republic of Belarus” Калинковичи 118,0 о 25000 т Лесной-1 об 1 aIIIpz 26.07.12 7,37 2,02 192 _ 1,68 3,8 <2,0 143,4 3,1 11,4 2,4 29,6 6,6 0,3 7,6* <0,01 116,0 р Калинковичи 20000 м Лесной-1 3 1 aIIIpz 18.08.13 8,12 2,53 210 _ 2 11,8 19,8 176,9 <0,1 3,3 1 49 13,1 0,7 9,6* <0,01 114,0 с/ Калинковичи 15000 ту Лесной-1 Schematic map of hydroisopiestic 1 aIIIpz 10.07.14 7,3 1,77 164 _ 3,2 4,6 <2 134,2 0,8 9,7 3 25,9 5,9 1 7,8* <0.01 112,0 Калинковичи 10000 Лесной-1 110,0 lines of the BYPRGW0007 1 aIIIpz 28.10.15 7,92 3,25 210 _ 2,08 7,3 27,2 176,9 <0,1 5 1,1 41,7 14,3 0,1 2,94* 0,05 5000 Калинковичи Лесной-1 108,0 0 1 aIIIpz 12.11.16 7,72 3,45 213 _ 1,76 8,1 24,7 176,9 <0,1 7,2 1,2 49,6 11,8 0,1 15,02* 0,3 Калинковичи 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Лесной-1 1 aIIIpz 17.11.17 7,66 3,38 233 _ 1,92 8,3 32,5 173,8 <0,1 7 1,8 47,6 12,2 <0,1 33,95* 0,03 Калинковичи Лесной-1 1 aIIIpz 06.11.18 7,7 3,07 203 _ 1,76 5,6 23 170,8 <0,1 7 1 42,5 11,6 <0,1 23,03* <0,01 водоотбор скв.702 (P) It is proposed to deﬁne the transboundary zone of the Republic of Belarus and Ukraine at a distance Калинковичи Automatic level gauges of 50-55 km in each direction relative to the state border Annual Publications

Об оз на чение Зн ачени е К он та ктн ое лиц о Ко д уч астка монитор инг а BY PR G W 0 00 21 29 9 И м я к он т акт н о го л и ц а Фи л и ал «Бел ор усск ая к ом п лек сн ая И мя у частка мо нито ринга С имоничск о-Руд ненский гео ло го разв едо чн ая эк сп ед и ц и я» Гл авный тип уч астка монитор инга наб лю дательная скваж ина Ул и ц а ул . Г еол ог и ческая, 11 7 М есто по лож ен ие П оч то вы й к од и г ор од 2 20 13 8, г. М и н ск Ко д под земных вод BY PR GW 00 0 2 Н ом ер т ел еф он а +3 75 (1 7) 28 1-09 -00 И мя по дз емных во д во до носны й по озер ский ал лю виальный гор изонт Em ail geo fiz@ tut.b y Ко д ад министративно -х оз яйственно й ед иницы Го мельск ая о бл ., Л ельч ицк ий р -н, а/г Симо ничи П ери од эк сплу ат аци и Защ итная зо на о хр анная з она И н ф ор м ац ия вв еден а / о бн о влен а Фи л и ал «Бел ор усск ая к ом п лек сн ая Система к оо рд инат W G S8 4 гео ло го раз ведо чн ая э ксп еди ц и я» / Система к оо рд инат – x к оо рд инаты 2 80 05 '53 ,15 '' Фи л и ал «И н ст и ту т гео ло ги и » Система к оо рд инат – y к оо рд инаты 5 10 56 '06 ,14 '' Дат а сб о ра и н ф ор м аци и 17 .10 .2 01 9 Высо та к онтро л ьно й то чк и над уро внем мор я, м 13 0,74 м Н ачал о м он и т ор и н га 19 86 О писание марш рута д оступа сво бо д ный до сту п Ко нец м о ни т о ри н га 20 19 Эскиз мар шр ута пр о ездно го пу ти Зам ен а како го участ к а - Зам ен а каки м уч астк ом - Ст ат ус уч аст к а м о н и то ри н г а п о д м он и т о ри н го м П ри ч ин а зак ры ти я - Т ип х им и ч еског о м о н и то ри н г а н ад зо рн ы й м о н и то ри н г Зн ач ит ел ьн ые и зм ен ени я н ет Техн ическ ая специ фик ац ия сай та м он ито рин га До ст уп н ый п ро ф и ль б ур ово й ск важ ин ы д а , м м я , ,

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1 2

1 3 13, 4 1 4 8,2 1 4,3 1 5 П есок ко ри чнево -бу р ый f,l gI - II КП Ш, м/з с вкл .гал ьки и 15,3 в алун ов 1 6 1,7 16, 0 До ст уп н ый п лан раз раб от ки гл уб и н а ск важи н ы 1 5,3 м , ди ам ет р скв аж и н ы 12 7 м м , ф и льт р сет чат ы й д и ам етр ом 1 27 м м , Groundwater ﬂow direction on east and southeast is oriented и н т ервал у ст ано вк и ф и л ьтр а 10 ,3 – 13 ,4 м Вла делец П лан раз рабо т ки скваж и н ы д а И мя в лад ельца Го суд арственно е пр едпр иятие Т ип д авлен и я гр ун т ов ых во д г ру н т овы й « Н П Ц по гео ло гии» М ат ер и ал емк ост и дл я от б ор а п р об п ласт м асса, ст екл о Ул ица у л. Ку пр евич а, 7 М ат ер и ал т руб ж елезо to the center of the Pripyat artesian basin, in the regional plan - П оч то вы й к од и гор од 2 20 14 1, г. М инск Х ара кт еристи ка у част ка м он ит орин га Н омер тел еф она +3 75 (1 7) 26 8-01 -24 И спо ль зов ан и е уч аст ка мо н и т ор и нг а б ез и сп о льз ован и я Em ail Belgeo log i@ tu t.b y Н азн ачен и е уч ас т к а м о н ит о ри н г а х им и ч ески й и к ол и чест вен ны й м он и т ор и н г to the Dnieper-Donetsk artesian basin 3. Groundwater bodies of the Pripyat river basins (Republic of Belarus) and the Dnieper river (Ukraine) 6. Transboundary groundwater monitoring in the Republic of Belarus and Ukraine.

Republic of Belarus Ukraine Perspectives for further cooperation Groundwater body UAM5.1GW0013 Harmonization (identiﬁcation) of groundwater massifs and GWBs, Groundwater body BYPRGW0001 Groundwater body BYPRGW0006 Groundwater body UAM5.1GW0001 identiﬁed in Belarus and Ukraine

GWM GWB Index GWM name / brief description № Index GWB name / brief description code Groundwater body BYPRGW0001 code Groundwater body BYPRGW0005 Belarus Ukraine Groundwater bodyBYPRGW0007 Swamp deposits are common in swampy areas. Groundwater is phreatic, unconfined. The water-bearing rocks of swamp sediments are mainly peat of various degrees of decomposition with interlayers of calcareous material, vivianite, swamp ores or clayish rocks. Peat thickness is from 0.5 to 7 m, on average 1-2 m. The depth of the water body from the ground surface is from 0.0 to 7.0 m. Filtration properties depend on the degree of decomposition of peat. Filtration coefficient (permeability) for low-decomposed peat is about 1.0 BYPRGW - 1 bVI – 4.0 m/day, for medium-decomposed – 0.3 – 1.0 m/day, for decomposed – 0001 0.01 – 0.08 m/day. The depth of the swamp water ranges from 0 to 0.8 m; average annual level fluctuations are 0.5–1.5 m. According to the chemical composition, water is bicarbonate-sulfate calcium and sodium-calcium, sulph ate-bicarbo nate sodium-calcium with mineralization of 0.2–1.0 g/dm3 . In

the hydrochemical com position, an increased content of nitrogen compounds, iron and a permanganate oxidizability mismatch are observed. Practically unsuitable for drinking needs due to natural and anthropogenic pollution GWB in alluvial Quaternary sediments. Groundwater is phreatic, unconfined. Phreatic, unconfined GWM. Groundwater body UAM5.1GW0014 Deposits occupy vast areas in the valleys of the Pripyat river and its tributaries Alluvial, predominantly Lower-Upper and are confined to floodplains, the first and second terraces above floodplain. Neopleistocene deposits are widespread Water-bearing rocks are mainly sands of various size and assortment, with a within the floodplains and terraces above greater or lesser content of silty-clayish admixtures, as well as gravel and floodplains of the Dnieper and its tributaries. pebble clusters, occurring at the base of rock mass in the form of lenses or UAM5. Water is unconfined, locally, in the presence Groundwater body UAM5.1GW0001 BYPRGW aIV,aIIIpz, 2 interlayers; sandy loams, loams, marls, silts. The thickness of deposits is from 1GW0 аР of loam and sandy loam in the top – low- 0002 laIIIpz 2.5 to 30 m. The depth of the groundwater level varies from 0.2 to 3.5 m, in 002 confined, with a pressure value from 1-3 m to Groundwater body BYPRGW0002 and UAM5.1GW0006 areas of low floodplains, groundwater comes to the surface and forms lakes 10-15 m. Used for individual water supply in Groundwater body BYPRGW0007 and swamps. The average annual level fluctuations are 0.5 - 2.0 m. Filtration rural areas coefficient (permeability) of water-bearing rocks varies depending on their grading (particle size distribution) from 0.09 to 31.7 m/day, 4-7 m/day prevail.Groundwater is used, mainly by shallow springs. We assigned sediments to confined GWMs, they are identified in the territory where they are used for centralized water supply. Allu vial and fluvioglacial mid-upper Quaternary UAM5. sediments are dispersed over the area within 1GW0 PII-III the hydrogeological region of the Ukrainian 006 s hield. Due to loams and clays occurring in the upper part of the section, water can be Proposals for improving the operational network and equipping of new observational confined or unconfined, pressure values Groundwater body BYPRGW0009 points for the groundwater monitoring network of the transboundary territory of reach 1.5-5.0 m, sometimes 12.0 m. Groundwater body BYPRGW0002 GWB in Quaternary deposits. Groundwater is phreatic, unconfined. Phreatic, unconfined GWM. Groundwater body BYPRGW0006 Belarus and Ukraine Groundwater body UAM5.1GW0019 Fluvioglacial Middle Pleistocene deposits are widespread in the west, south, Fluvioglacial Middle Pleistocene sediments GWB name and r-bearing rocks are represented are widespread within the moraine-sandur Proposals for the monitoring network and southeast of the Pripyat river basin. Wate UAM5. code W by inequigranular and coarse-grained sands. Their thickness ranges from 0.9 plain of Polesie and are associated with the BYPRG s 1GW0 fPІІ 3 fIId the ground surface is from 0.0 Dnieper glacier. Groundwater is used for 0005 to 26.0 m. The depth of the top of the GWB from 003 To drill 1 new observational well in the eastern part of the transboundary territory. To include 7 wells equipped he individual water supply in rural areas. BYPRGW0001 to 22.0 m. The depth of the groundwater level varies from 0.5 to 5 m. T in 2019 in the regime monitoring observation network average annual level fluctuations are 0.5–2.0 m. Groundwater is used with by single wells with a depth of 20-40 m. To drill 3 new observational wells in the southern part of the transboundary territory. To include 2 springs transboundary in the northeast. It is BYPRGW0002 GWB combines sediments of the Lower Pleistocene, the Brinev series of the GWM is surveyed in 2019 in the regime monitoring observation network Oligocene-Miocene, the Antopol and Belitsa series of the Neogene, as well as widely distributed within the Dni eper-Donetsk the deposits of the Krupeiki, Stradubka, Kharkov, Kiev, Buchak, Kanev and UAM5. artesian basin. GWM is associated with To recommend an additional survey of 5 sites due to the lack of information about individual wells, water Groundwater body UAM5.1GW0003 BYPRGW0005 Sumy horizons of the Paleogene. GWB is transboundary and ubiquitous in the 1GW0 Р2 deposits of the Buchak series of the Eocene. intakes and wells located at local sources of groundwater pollution. research area. Berezino-Dnieper fluvioglacial and Paleogene-Neogene 012 In addition to that, in some places the horizon aquiferous complex is confined. The pressure height above the top is from 1.3 includes deposits of the Kanev series and the To include in the regime network and resume observations on 2 wells of the abandoned (mothballed) Lomachi BYPRGW0006 to 58 m. Water-bearing rocks are represented by sands of various Kiev suites of the Eocene. hydrogeological post, surveyed in 2019 granulometric composition, with interlayers of sandy loams, loams and clays, GWM combines terrigenous deposits of the BYPRGW f,lgIbr-IId often with inclusions of gravel and pebbles, less often – by poorly cemented Oligocene and Eocene, filling the paleo- To include in the regime network and resume observations on 1 well of the abandoned (mothballed) Lomachi 4 BYPRGW0007 Groundwater body BYPRGW0005 Groundwater body BYPRGW0009 0006 + (P+N) sandstones. Thickness of deposits is from 1.3 to 85 m. The depth of the top of valleys in the crystalline basement of the hydrogeological post, surveyed in 2019 GWB from the ground surface is from the first meters to 60-65.0 m. Water Ukrainian shield. Along the border with 2 M consists mainly of conductivity is 80-420 m /day. Filtration coefficient (permeability) of sands UAM5. Belarus, the GW To include 2 production wells of the Pina-2 water intake, surveyed in 2019, in the annual groundwater varies from 0.27 to 20 m/day, more often it is 1–10 m/day. 1GW0 Р Oligocene deposits, overlain by sa ndy BYPRGW0009 vial Quaternary monitoring analysis Groundwater is widely utilised both individually and jointly by group water 013 fluvioglacial and allu intakes and single wells. sediments, which are thin here. Water-bearing rocks are confined to a small area of the completely Pripyat trough, which is almost Groundwater body UAM5.1GW0025 located beyond the country border of Ukraine. GWB is spread in the west, southwest and east, southeast of the Pripyat river GWM is transboundary in the west. It is outheast.Сretaceous carbonate- widespread over most of the Volyn-Podilsky basin. It is transboundary in the west and s UAM5. terrigenous aquifer is confined. The pressure height is from 31 m in elevated artesian basin (sub-basin of the Pripyat 1GW0 К2 nly the pressure above the top River). It is confined to the fracture zone of areas, increasing to 170 m in depressions, mai 014 is 50–80 m. Thickness of deposits is from 2 to 79 m. The depth of the GWB marl-chalk deposits of the Upper Cretace ous Proposal: Establish a joint transboundary groundwater monitoring programme to ensure that integrated joint management of transboundary water resources is achieved. BYPRGW from the ground surface is from 32 m до 178.0 m. Water-bearing rocks of the (Turonian-Maastrichtian) 5 К 0007 Сretaceous aquifer are represented by marls, fissured and karst to varying GWM is transboundary in the north-east. It is Transboundary water resorces management, including joint selection of parameters and joint interpretation of hydrogeochemical and hydrodynamic data. estones in the upper part and fine-grained sands, widely distributed within the Dnieper-Donetsk degrees, chalk, chalky lim UAM5. with interbeds of sandstones, siltstones and clays in the lower part. The horizon artesian basin. Between the Albian and 1GW00 К1-2 out the distribution area. Water conductivity is 20 Cenomanian deposits there is no sustained is water-saturated through 19 m2/day; filtration coefficient is 0.4– 4.58 m/day. confining layer, therefore they are united into aquiferous complex. Groundwater is not used for centralized water supply in this region. a single GWB is located in the north-western, western and south-western parts of the GWM is confined to the fractured effusive and Pripyat river basi n. Pinsk and Vendian terrigenous aquiferous complex is terrigenous formations of the Vendian (Valdai, artesian. Piezometric levels are set at a depth from 0.1 to 20 m, the pressure Volyn series), and terrigenous rocks of the above the top is 63.0– 147.5 m. It overlies the rocks of the crystalline basement Riphean (Polessie series). It is distinguished at depths from 63 m to 220 m and overlain by the Devonian and Cretaceous UAM5. as a strip on the slopes of the Ukraini an BYPRGW underlie 6 V+R2pn formations. Water-bearing rocks are sandstones, siltstones, clays, volcanic 1GW0 РЄ Shield, where these deposits 0009 rocks, gravelites, tillites, sands. 025 terrigenous-carbonate Mesozoic-Cenozoic Water conductivity is 75 to 314 m2/day; filtrat ion coefficient is 1.7 m/day. deposits in shallow depths. To the east, they It is used for household and drinking water supply within the boundaries of the are overlapped with a thick sequence of GWB in the north, south and southwest, both separately and jointly. Paleozoic and Mesozoic rocks and are unsuitable for drinking and drinking.

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