Purpose: to conduct a comprehensive water quality assessment based on hydrochemical indicators using two generally accepted methods in the small Podpolnaya River, into which collector and drainage runoff is discharged, and to assess the convergence of the results obtained.
Materials and methods. The research materials were test reports submitted by the hydrogeological-reclamation party of the Federal State Budgetary Institution “Rostovmeliovodkhoz Administration” for 2019–2024. The subject of the study were environmental indicators: specific combinatorial water pollution index and maximum pollution coefficient.
Results and discussion. The calculation results showed that for the period 2019–2024 at the background section the value of the specific combinatorial water pollution index varied from 2.27 to 3.69, which characterizes the water quality as “dirty”. At the discharge section for the same period, the value of the specific combinatorial water pollution index varied from 1.9 to 3.1, which characterizes the water quality as “polluted”. For the period 2019–2024, at the background section, the value of the maximum pollution coefficient varied from 0.1 to 0.88, which characterizes the water quality as “moderately polluted”. At the discharge section for the same period, the value of the maximum pollution coefficient varied from minus 0.23 to 0.13, which characterizes the water quality as “moderately polluted”.
Conclusions. When comparing the results of the water quality assessment of the Podpolnaya River based on the estimated indicators of the specific combinatorial pollution index and the maximum pollution coefficient, a discrepancy by 30 % was found in the characteristics of the water class and quality for the background section and by 40 % – for the collector-drainage water discharge section.
doi: 10.31774/2712-9357-2025-15-2-113-127
water body, comprehensive assessment, water quality, hydrochemical indicators, collector-drainage waters
Krasovskaya N. N., Vlasov M. V. Water quality features of the Podpolnaya small river at the collector-drainage water discharge. Land Reclamation and Hydraulic Engineering. 2025;15(2):113–127. (In Russ.). https://doi.org/10.31774/2712-9357-2025-15-2-113-127.
1. Kireycheva L.V., Lentiaeva E.A., 2020. Vliyanie sel'skokhozyaystvennogo proizvodstva na zagryaznenie vodnykh ob"ektov [The influence of agricultural production on pollution of water bodies]. Prirodoobustroystvo [Environmental Engineering], no. 5, pp. 18-27, DOI: 10.26897/1997-6011/2020-5-18-27, EDN: OMUCXC. (In Russian).
2. Semenenko S.Ya., 2022. Tekhnogennaya optimizatsiya poverkhnostnogo stoka v oroshyemom zemledelii [Technogenic optimization of surface runoff in irrigated agriculture]. Izvestiya Nizhnevolzhskogo agrouniversitetskogo kompleksa: nauka i vysshye professional'noe obrazovanie [Proceed. of the Lower Volga Agro-University Complex: Science and Higher Education], no. 2(66), pp. 388-396, DOI: 10.32786/2071-9485-2022-02-48, EDN: JLOIWL. (In Russian).
3. Danilov-Danilyan V.I., 2020. Diffuznoe zagryaznenie vodnykh ob"ektov: problemy i resheniya: monografiya [Diffuse Pollution of Water Bodies: Problems and Solutions: monograph]. Moscow, RAS, 512 p., EDN: CBLCTD. (In Russian).
4. Isaeva S.D., 2024. K otsenke antropogennoy nagruzki na vodnye resursy v usloviyakh izmeneniya klimata VNII-GiM im. A. N. Kostyakova [Assessment of anthropogenic load on water resources under climate change]. Melioratsiya i vodnoe khozyaystvo – osnova prodovol'stvennoy i ekologicheskoy bezopasnosti: materialy Yubileynoy mezhdunar. nauchno-prakt. konf., posvyashchennoy 100-letiyu obrazovaniya VNIIGiM im. A. N. Kostyakova [Land Reclamation and Water Management – the Basis of Food and Environmental Security: Proceed. of the Jubilee International Scientific and Practical Conf., Dedicated to the 100th Anniversary of the Foundation of the All-Russian Research Institute of Hydrometeorology and Metrology named after A. N. Kostyakov]. Moscow, Federal Scientific Center All-Russian Research Institute of Hydrometeorology and Metrology named after A. N. Kostyakov, pp. 130-138, DOI: 10.37738/VNIIGIM.2024.53.95.021, EDN: FQEJBI. (In Russian).
5. Jinbing X., Long W., Jie Zh., Tianlun Zh., 2024. Hydrochemical variation characteristics and driving factors of surface water in arid Areas – a case study of Beichuan River in Northwest China. Frontiers in Environmental Science. Sec. Biogeochemical Dynamics, vol. 12, DOI: 10.3389/fenvs.2024.1493390, EDN: VVBZEA.
6. Feng X., Yang Y., 2022. Hydrochemical and stable isotopic spatial variation characteristics and their environmental significance in the Kashi River Mountain Area of Ili, Xinjiang, China. Environ Geochem Health, vol. 44, pp. 799-816, DOI: 10.1007/s10653-021-00959-2.
7. Kornilov A.G., Kiselev V.V., Kurepina V.A., Lopina E.M., Borovlev A.E., 2023. Biogennoe zagryaznenie vodnykh ob"ektov v sel'skokhozyaystvennykh rayonakh Belgorodskoy oblasti [Biogenic pollution of water bodies in agricultural areas of the Belgorod region]. Regional'nye geosistemy [Regional Geosystems], vol. 47, no. 1, pp. 76-87, DOI: 10.52575/2712-7443-2023-47-1-76-87, EDN: HPMWDV. (In Russian).
8. Drovovozova T.I., Manzhina S.A., 2019. Ekologicheskaya otsenka sostoyaniya malykh vodnykh ob"ektov v zone vliyaniya gidromeliorativnykh sistem [Environmental assessment of minor water objects state in the zone of hydro reclamation systems influence]. Ekologiya i vodnoe khozyaystvo [Ecology and Water Management], no. 3(03), pp. 14-26, DOI: 10.31774/2658-7890-2019-3-14-26, EDN: OIPFSU. (In Russian).
9. Drovovozova T.I., Vlasov M.V., Krasovskaya N.N., 2024. Etapy planirovaniya meropriyatiy inzhenerno-ekologicheskoy zashchity vodnykh ob"ektov – vodopriemnikov drenazhnykh vod s oroshyemykh zemel' [Stages of planning measures for engineering and environmental protection of water bodies – drainage water inlets from irrigated lands]. Melioratsiya i gidrotekhnika, vol. 14, no. 3, pp. 116-133, URL: https:rosniipm-sm.ru/article?n=1459 [accessed 17.03.2025], DOI: 10.31774/2712-9357-2024-14-3-116-133, EDN: SPQOEF. (In Russian).
10. Oboldina G.A., Popov A.N., Prokhorova N.B., 2014. Issledovaniya voprosov tekhnicheskogo regulirovaniya vodopol'zovaniya [Research of issues of technical regulation of water use]. FGUP RosNIIVKH – 45 let: nauka i praktika vodnogo khozyaystva [FSUE RosNIIVKh – 45 years: Science and Practice of Water Management]. Ekaterinburg, RosNIIVK Publ., pp. 399-423. (In Russian).
11. Zenkova K.I., 2019. Sravnenie metodik otsenki klassa kachestva vody na primere reki Tury, otsenka urovnya zagryazneniya vody, protsessov nitrifikatsii i samoochishcheniya [Comparison of methods for assessing the water quality class using the example of the Tura River, assessment of the level of water pollution, nitrification and self-purification processes]. XV Mezhdunarodnyy nauchno-prakticheskiy simpozium i vystavka «Chistaya voda Rossii»: sb. materialov [Proceed. of the XV International Scientific and Practical Symposium and Exhibition “Clean Water of Russia”]. Ekaterinburg, pp. 568-576. (In Russian).
12. Andreeva (Zenkova) K.I., Oboldina G.A., Popov A.N., 2023. Opyt primeneniya kompleksnykh pokazateley dlya otsenki sostoyaniya vodnykh ekosistem [Experience in applying complex indicators to assess the state of water ecosystems]. Vodnye resursy v usloviyakh global'nykh vyzovov: ekologicheskie problemy, upravlenie, monitoring: sb. tr. Vseros. nauchno-prakt. konferentsii s mezhdunar. uchastiem [Water Resources in the Context of Global Challenges: Environmental Issues, Management, Monitoring: Coll. Proc. All-Russian Scientific-Practical Conference with International Participation], In 2 vols., vol. 2. Novocherkassk, Lik Publ., pp. 13-17, EDN: RDIGEH. (In Russian).
13. Shabanov V.V., Markin 2009. Metod otsenki kachestva vod i sostoyaniya vodnykh ekosistem [Method for Assessing the Water Quality and the State of Water Ecosystems]. Moscow, Moscow State University of Printing Arts, 154 p. (In Russian).
