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Kapehu Wastewater Treatment Plant Water Quality History
Date BOD5 30 Daily Average (mg/L) TSS 30 Daily Average (mg/L) Jan-14 13.40 3.70 Feb-14 4.10 9.20 Mar-14 7.30 3.10 Apr-14 3.90 3.40 May-14 6.70 5.10 Jun-14 10.80 5.30 Jul-14 5.40 3.90 Aug-14 3.00 3.20 Sep-14 3.60 3.00 Oct-14 4.30 3.40 Nov-14 7.90 4.20 Dec-14 9.30 6.30 Jan-15 19.60 11.40 Feb-15 4.80 2.20 Mar-15 4.50 4.20 Apr-15 10.10 1.90 May-15 20.70 2.20 Jun-15 9.50 5.20 Jul-15 15.10 4.60 Aug-15 3.50 3.30 Sep-15 9.70 4.60 Oct-15 14.40 4.80 Nov-15 6.60 3.60 Dec-15 4.40 4.20 Jan-16 4.70 4.60 Feb-16 8.70 3.50 Mar-16 5.30 4.40 Apr-16 10.30 5.30 May-16 24.30 8.20 Jun-16 10.40 14.80 Jul-16 5.50 5.00 Aug-16 6.90 4.30 Sep-16 18.90 3.70 Oct-16 15.50 6.10 Nov-16 10.30 3.30 Dec-16 4.10 3.80 Jan-17 15.40 8.60 Feb-17 21.70 4.40 Mar-17 12.30 3.20 Apr-17 4.70 4.60 May-17 16.30 4.80 Jun-17 8.30 3.40 Jul-17 7.90 2.70 Aug-17 8.30 2.90 Sep-17 18.90 3.90 Oct-17 17.80 3.50 Nov-17 14.90 3.40 Dec-17 13.80 3.20 Jan-18 19.20 3.80 Feb-18 13.70 3.70 Mar-18 7.50 5.60 Apr-18 10.10 3.80 May-18 19.20 4.00 Jun-18 20.80 5.90 Jul-18 10.90 4.60 Aug-18 3.80 3.20 Sep-18 22.40 3.40 Oct-18 14.40 5.10 Nov-18 20.50 5.20 Dec-18 9.90 6.50 Jan-19 20.70 6.70 Feb-19 11.00 6.30 Mar-19 4.00 3.50 Apr-19 9.80 3.20 May-19 11.80 2.30 Jun-19 25.50 3.00 Jul-19 18.40 3.40 Aug-19 13.20 3.40 Sep-19 17.60 1.50 Oct-19 10.10 2.40 Nov-19 8.70 2.70 Dec-19 20.70 4.10 Jan-20 24.70 2.70 Feb-20 10.90 3.80 Mar-20 23.50 5.80 Apr-20 27.10 8.40 May-20 33.40 3.30 Jun-20 28.50 5.20 Jul-20 13.60 3.70 Aug-20 25.00 5.50 Sep-20 37.40 3.00 Oct-20 17.10 8.60 Nov-20 40.10 8.60 Dec-20 20.40 3.90 Jan-21 28.20 3.30 Feb-21 17.30 2.70 Mar-21 14.50 4.70 Apr-21 22.90 4.20 May-21 21.70 3.90 Jun-21 32.80 4.10 Jul-21 26.40 8.40 Aug-21 25.10 4.90 Sep-21 29.20 4.30 Oct-21 11.50 6.40 Nov-21 13.30 6.20 Dec-21 19.70 7.50 Jan-22 30.70 3.70 Feb-22 30.90 6.20 Mar-22 26.60 3.30 Apr-22 20.30 3.20 May-22 16.70 2.10 Jun-22 26.60 4.80 Jul-22 28.80 4.50 Aug-22 25.80 2.80 Sep-22 40.30 4.80 Oct-22 43.30 7.10 Nov-22 19.10 4.30 Dec-22 13.60 2.70 Jan-23 25.30 6.40 Feb-23 12.90 11.10 Mar-23 14.70 7.20 Apr-23 6.80 3.00 May-23 14.60 3.10 Jun-23 28.80 4.30 Jul-23 15.80 6.60 Aug-23 20.00 7.50 Sep-23 21.20 6.60 Oct-23 31.60 10.40 Nov-23 26.20 4.30 Dec-23 17.70 5.50 Jan-24 23.10 5.20 Feb-24 13.10 6.80 Mar-24 10.90 4.30 Apr-24 15.50 3.10 May-24 16.40 4.20 Jun-24 15.70 4.80 Jul-24 25.50 4.10 Aug-24 27.70 4.70 Sep-24 26.40 2.60 Oct-24 28.60 2.80 Nov-24 17.70 4.40 Dec-24 18.80 5.10 Jan-25 36.70 4.40 Feb-25 33.50 7.20 Mar-25 33.20 18.60 Apr-25 14.70 9.40 May-25 32.00 8.90 Jun-25 37.50 6.20