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NI Water AIR21 Sewage Treatment Works Costs 2020 2021
NI Water Annual Information Return 2020 2021 Table 17f Sewerage Explanatory Factors Sewage Treatment Works - Costs -
NIW SEWAGE TREATMENT WORKS COSTS 2019 2020
NI Water Annual Information Return 2019 2020 Table 17f Sewerage Explanatory Factors Sewage Treatment Works Costs -
NI Water Sewerage Explanatory Factors Sewage Treatment Works Costs 2019 2020
NI Water Annual Information Return - Sewerage Explanatory Factors Sewage Treatment Works Costs (NI Water Only) 2019 2020