References
  -  W.-X. Wang, K. Pan, Q. Tan, L. Guo, S.L. Simpson, Estuarine
    pollution of metals in China: science and mitigation, Environ.
    Sci. Technol., 48 (2014) 9975–9976. 
-  T.G. Kebede, A.A. Mengistie, S. Dube, T.T.I. Nkambule,
    M.M. Nindi, Study on adsorption of some common metal
    ions present in industrial effluents by Moringa stenopetala seed
    powder, J. Environ. Chem. Eng., 6 (2018) 1378–1389. 
-  M.T. Sohail, Y. Mahfooz, K. Azam, Y. Yen, L. Genfu, S. Fahad,
    Impacts of urbanization and land cover dynamics on
    underground
    water in Islamabad, Pakistan, Desal. Wat. Treat., 159
    (2019) 402–411. 
-  W. Wang, W.-X. Wang, Phase partitioning of trace metals
    in a contaminated estuary influenced by industrial effluent
    discharge, Environ. Pollut., 214 (2016) 35–44. 
-  S.K. Al-Musharafi, I.Y. Mahmoud, S.N. Al-Bahry, Heavy metal
    pollution from treated sewage effluent, APCBEE Procedia,
    5 (2013) 344–348. 
-  N. Saha, M.S. Rahman, Multivariate statistical analysis of
    metal contamination in surface water around Dhaka export
    processing industrial zone, Bangladesh, Environ. Nanotechnol.
    Monit. Manage., 10 (2018) 206–211. 
-  A. Benabdelkader, A. Taleb, J.L. Probst, N. Belaidi, A. Probst,
    Anthropogenic contribution and influencing factors on metal
    features in fluvial sediments from a semi-arid Mediterranean
    river basin (Tafna River, Algeria): a multi-indices approach, Sci.
    Total Environ., 626 (2018) 899–914. 
-  A.M. Odukoya, S.B. Olobaniyi, T.O. Oluseyi, U.A. Adeyeye,
    Health risk associated with some toxic elements in surface
    water of Ilesha gold mine sites, southwest Nigeria, Environ.
    Nanotechnol. Monit. Manage., 8 (2017) 290–296. 
-  C.I. Adamu, T.N. Nganje, A. Edet, Heavy metal contamination
    and health risk assessment associated with abandoned barite
    mines in Cross River State, southeastern Nigeria, Environ.
    Nanotechnol. Monit. Manage., 3 (2015) 10–21. 
-  A.F.S. Costa, C.D.C. Albuquerque, A.A. Salgueiro, L.A. Sarubbo,
    Color removal from industrial dyeing and laundry effluent
    by microbial consortium and coagulant agents, Process Saf.
    Environ. Prot., 118 (2018) 203–210. 
-  J. Tong, X.T. Lu, J.Y. Zhang, Q. Sui, R. Wang, M. Chen, Y. Wei,
    Occurrence of antibiotic resistance genes and mobile genetic
    elements in enterococci and genomic DNA during anaerobic
    digestion of pharmaceutical waste sludge with different pretreatments,
    Bioresour. Technol., 235 (2017) 316–324. 
-  A. Demayo, M.C. Taylor, K.W. Taylor, P.V. Hodson, P.B. Hammond,
    Toxic effects of lead and lead compounds on human
    health, aquatic life, wildlife plants, and livestock, CRC Crit. Rev.
    Environ. Control, 12 (2009) 257–305. 
-  H. Aydın, Y. Bulut, Ç. Yerlikaya, Removal of copper (II) from
    aqueous solution by adsorption onto low-cost adsorbents,
    J. Environ. Manage., 87 (2008) 37–45. 
-  T.G. Kebede, S. Dube, A.A. Mengistie, T.TI. Nkambule,
    M.M. Nindi, Moringa stenopetala bark: a novel green adsorbent
    for the removal of metal ions from industrial effluents, Phys.
    Chem. Earth., 107 (2018) 45–47. 
-  D. Prabakar, K.S. Suvetha, V.T. Manimudi, T. Mathimani,
    G. Kumar, E.R. Rene, A. Pugazhendhi, Pretreatment technologies
    for industrial effluents: critical review on bioenergy production
    and environmental concerns, J. Environ. Manage., 218 (2018)
    165–180. 
-  U. Tamim, R. Khan, Y.N. Jolly, K. Fatema, S. Das, K. Naher,
    M.A. Islam, S.M.A. Islam, S.M. Hossain, Elemental distribution
    of metals in urban river sediments near an industrial effluent
    source, Chemosphere, 155 (2016) 509–518. 
-  G. Bonanno, G.L. Cirelli, Comparative analysis of element
    concentrations and translocation in three wetland congener
    plants: Typha domingensis, Typha latifolia and Typha angustifolia,
    Ecotoxicol. Environ. Saf., 143 (2017) 92–101. 
-  B. Wu, R. Yin, G. Zhang, C. Yu, S. Zhang, Effects of water
    chemistry on decolorization in three photochemical processes:
    pro and cons of the UV/AA process, Water Res., 105 (2016)
    568–574. 
-  J.M. Arnal, M.C. León, J. Lora, J.M. Gozálvez, A. Santafé,
    D. Sanz, J. Tena, Ultrafiltration as a pre-treatment of other
    membrane technologies in the reuse of textile wastewaters,
    Desalination, 221 (2008) 405–412. 
-  O. Amahmid, S. Asmama, K. Bouhoum, Urban wastewater
    treatment in stabilization ponds: occurrence and removal of
    pathogens, Urban Water J., 4 (2002) 255–262. 
-  M. Farzadkia, M.H. Ehrampoush, S. Sadeghi, M. Kermani,
    M.T. Ghaneian, V. Ghelmani, E.A. Mehrizi, Performance
    evaluation of wastewater stabilization ponds in Yazd-Iran,
    Environ. Health Eng. Manage., 1 (2014) 7–12. 
-  V.A. Riggio, B. Ruffino, G. Campo, E. Comino, C. Comoglio,
    M. Zanetti, Constructed wetlands for the reuse of industrial
    wastewater: a case-study, J. Cleaner Prod., 171 (2018) 723–732. 
-  V. Rana, S.K. Maiti, S. Jagadevan, Ecological risk assessment
    of metals contamination in the sediments of natural urban
    wetlands in dry tropical climate, Bull. Environ. Contam. Toxicol.,
    97 (2016) 407–412. 
-  V. Rana, S.K. Maiti, Municipal wastewater treatment potential
    and metal accumulation strategies of Colocasia esculenta (L.)
    Schott and Typha latifolia L. in a constructed wetland, Environ.
    Monit. Assess., 190 (2018) 328. 
-  V. Rana, S.K. Maiti, Metal accumulation strategies of emergent
    plants in natural wetland ecosystems contaminated with cokeoven
    effluent, Bull. Environ. Contam. Toxicol., 101 (2018) 55–60. 
-  Z.A. Soomro, M.I.A. Khokhar, W. Hussain, M. Hussain, Drinking
    water quality challenges in Pakistan, World Water Day, (2011) 17–28. 
-  Pakistan Water Sector Strategy, Ministry of Water and Power
    Office of the Chief Engineering Advisor/Chairman Federal Flood
    Commission, National Water Sector Profile, Volume 5, 2002. 
-  A.O. Ekperusi, F.D. Sikoki, E.O. Nwachukwu, Application
    of common duckweed (Lemna minor) in phytoremediation of
    chemicals in the environment: state and future perspective,
    Chemosphere, 223 (2019) 285–309. 
-  V.V. Chandanshive, S.K. Kadam, R.V. Khandare, M.B. Kurade,
    B.-H. Jeon, J.P. Jadhav, S.P. Govindwar, In situ phytoremediation
    of dyes from textile wastewater using garden ornamental
    plants, effect on soil quality and plant growth, Chemosphere,
    210 (2018) 968–976. 
-  K. Prabakaran, J. Li, A. Anandkumar, Z. Leng, C.B. Zou, D. Du,
    Managing environmental contamination through phytoremediation
    by invasive plants: a review, Ecol. Eng., 138 (2019) 28–37. 
-  H.Q. Ali, A. Farooq, M. Ahmed, Monitoring the wastewater
    treatment efficiency of oxidation ponds at Chokera, Faisalabad,
    Mehran Univ. Res. J. Eng. Technol., 36 (2017) 987–994. 
-  American Public Health Association (APHA), Standard Methods
    for the Examination of Water and Waste Water, 17th ed.,
    American Public Health Association, Washington, D.C., 2012. 
-  I.S. Akoteyon, Evaluation of groundwater quality using contamination
    index in parts of Alimosho, Lagos - Nigeria, Am. Acad.
    Scholarly Res. J., 4 (2012) 1. 
-  M. Kumar, R. Nagdev, R. Tripathi, V.B. Singh, P. Ranjan,
    M. Soheb, A. Ramanathan, Geospatial and multivariate analysis
    of trace metals in tubewell water using for drinking purpose in
    the upper Gangetic basin, India: heavy metal pollution index,
    Groundwater Sustainable Dev., 8 (2019) 122–133. 
-  R. Pal, R.K. Dubey, S.K. Dubey, A.K. Singh, Assessment of heavy
    metal pollution through index analysis for Yamuna water in
    Agra region, India, Int. J. Curr. Microbiol. Appl. Sci., 6 (2017)
    1491–1498. 
-  Y. Mahfooz, A. Yasar, A.B. Tabinda, M.T. Sohail, A. Siddiqua,
    S. Mahmood, Quantification of the River Ravi pollution load
    and oxidation pond treatment to improve the drain water
    quality, Desal. Wat. Treat., 85 (2017) 132–137. 
-  A.S. Al-Farraj, T.G. Al-Otabi, M.I. Al-Wabel, Accumulation
    Coefficient and Translocation Factor of Heavy Metals Through
    Ochradenus Baccatus Plant Grown on Mining Area at Mahad
    Ad’dahab, Saudi Arabia, Conference proceeding of Ecosystems
    and Sustainable Development, 2009, pp. 459–468. 
-  M.W. Aktar, M. Paramasivam, M. Ganguly, S. Purkait, D. Sengupta,
    Assessment and occurrence of various heavy metals
    in surface water of Ganga river around Kolkata: a study
    for toxicity and ecological impact, Environ. Monit. Assess.,
    160 (2010) 207–213 
-  A. Rim-Rukeh, O.G. Ikhifa, A.P. Okokoyo, Effects of agricultural
    activities on the water quality of Orogodo River, Agbor Nigeria,
    J. Appl. Sci. Res., 2 (2006) 256–259. 
-  U. Younas, S. Iqbal, A. Saleem, M. Iqbal, A. Nazir, S. Noureen,
    K. Mehmood, N. Nisar, Fertilizer industrial effluents: physicochemical
    characterization and water quality parameters
    evaluation, Acta Ecologica Sinica., 37 (2017) 236–239. 
-  P.N. Patil, D.V. Sawant, R.N. Deshmukh, Physico-chemical
    parameters for testing of water — a review, Int. J. Environ.,
    3 (2012) 1194. 
-  M.R. Mahananda, B.P. Mohanty, N.R. Behera, Physico-chemical
    analysis of surface and ground water of Bargarh District,
    Orissa, India, Int. J. Res. Rev. Appl. Sci., 2 (2010) 284–295. 
-  A.M. Farag, T. May, G.D. Marty, M. Easton, D.D. Harper,
    E.E. Little, L. Cleveland, The effect of chronic chromium exposure
    on the health of Chinook salmon (Oncorhynchus tshawytscha),
    Aquat. Toxicol., 76 (2006) 246–257. 
-  M. Yamin, A. Nasir, M. Sultan, W.I.W. Ismail, R. Shamshiri,
    F.N. Akhbar, Impact of sewage and industrial effluents on water
    quality in Faisalabad, Pakistan, Adv. Environ. Biol., 9 (2015)
    53–58. 
-  D.A. Wunderlin, M.P. Diaz, M.V. Ame, S.F. Pesce, A.C. Hued,
    M.A. Bistoni, Pattern recognition techniques for the evaluation
    of spatial and temporal variations in water quality. A case study:
    Suquia river basin (Cordoba, Argentina), Water Res., 35 (2001)
    2881–2894. 
-  D. Davereya, P. Pandey, S. Verma, V. Verma, K. Shah, K. Dutta,
    Arunachalam, Recent advances in energy efficient biological
    treatment of municipal wastewater, Bioresour. Technol. Rep.,
    7 (2019) 100252. 
-  M.K. Daud, M. Nafees, S. Ali, M. Rizwan, R.A. Bajwa,
    M.B. Shakoor, M.U. Arshad, S.A.S. Chatha, F. Deeba, W. Murad,
    I. Malook, S.J. Zhu, Drinking water quality status and contamination
    in Pakistan, Biomed. Res. Int., (2017). https://doi.
    org/10.1155/2017/7908183. 
-  A. Ijaz, G. Shabir, Q.M. Khan, M. Afzal, Enhanced remediation
    of sewage effluent by endophyte-assisted floating treatment
    wetlands, Ecol. Eng., 84 (2015) 58–66. 
-  A. Nasir, M.S. Nasir, I. Shauket, S. Anwar, I. Ayub, Impact
    of samanduri drain on water resources of Faisalabad, Adv.
    Environ. Biol., 10 (2016) 155–160. 
-  V. Kumari, A.K. Tripathi, A. Kannan, Evaluation of heavy metals
    toxicity of pharmaceuticals industrial wastewater by pollution
    indexing and chemometric approaches, Int. J. Chem. Tech. Res.,
    10 (2017) 718–730. 
-  K. Rehman, S. Ashraf, U. Rashid, M. Ibrahim, S. Hina, T. Iftikhar,
    S. Ramzan, Comparison of proximate and heavy metal contents
    of vegetables grown with fresh and wastewater, Pak. J. Bot.,
    45 (2013) 391–400. 
-  J.T. Srinivasan, V.R. Reddy, Impact of irrigation water quality
    on human health: a case study in India, Ecol. Econ., 68 (2009)
    2800–2807. 
-  WWF, Pakistan’s Water at Risk, WWF, Pakistan, 2007. 
-  M.A. Hanif, R. Nadeem, U. Rashid, M.N. Zafar, Assessing
    pollution levels in effluents of industries in city zone of
    Faisalabad, Pakistan, J. Appl. Sci., 5 (2005) 1713–1717. 
-  J. Romo, M. Chaudhary, T.R. Walker, Baseline assessment of
    contaminants in marine biota prior to remediation of industrial
    effluent impacted sediments in a former tidal estuary in Nova
    Scotia, Canada, Mar. Pollut. Bull., 145 (2019) 641–648. 
-  C.B. Zhang, W.L. Liu, X.C. Pan, M. Guan, S.Y. Liu, Y. Ge,
    J. Chang, Comparison of effects of plant and biofilm bacterial
    community parameters on removal performances of pollutants
    in floating island systems, Ecol. Eng., 73 (2014) 58–63. 
-  W.H.T. Ting, I.A.W. Tan, S.F. Salleh, N.A. Wahab, Application
    of water hyacinth (Eichhornia crassipes) for phytoremediation of
    ammoniacal nitrogen: a review, J. Water Process Eng., 22 (2018)
    239–249. 
-  S. Ong, K. Uchiyama, D. Inadama, Y. Ishida, K. Yamagiwa,
    Treatment of azo dye Acid Orange 7 containing wastewater using
    up-flow constructed wetland with and without supplementary
    aeration, Bioresour. Technol., 101 (2010) 9049–9057. 
-  M.V.T. Gomes, R.R. Souza, V.S. Teles, É.A. Mendes, Phytoremediation
    of water contaminated with mercury using Typha
    domingensis in constructed wetland, Chemosphere, 103 (2014)
    228–233. 
-  A. Aihemaiti, J. Jiang, D. Li, N. Liu, M. Yang, Y. Meng, Q. Zou,
    The interactions of metal concentrations and soil properties on
    toxic metal accumulation of native plants in vanadium mining
    area, J. Environ. Manage., 222 (2018) 216–226. 
-  J. Lynch, L.J. Fox, J. Owen, D.J. Sample, Evaluation of
    commercial floating treatment wetland technologies for
    nutrient remediation of stormwater, Ecol. Eng., 75 (2015) 61–69.