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HomeMy WebLinkAboutNC0047384_Reduction Report_20171220AP r City L J North of Greensboro Carolina Water Resources Department December 20, 2017 Certified Mail 7003 1680 00010763 7270 Return Receipt Requested North Carolina Department of Environmental Quality RECEIVED/DENR/DWR Division of Water Resources Attn. Jordan Lake Watershed Coordinator DEC 2 9 2017 1617 Mail Service Center Raleigh, North Carolina 27699-1617 Water Resources Permitting Section RE: T. Z Osborne NPDES Total Nitrogen Reduction Schedule Reportfor CY 2017 Submitted in Response to NPDES Permit NCO047384 Part I -A. (4) To Whom It May Concern. This correspondence will serve as the City of Greensboro Total Nitrogen Reduction Schedule Report for CY2017 in order to comply with Part 1-A (4) of the T Z Osborne NPDES permit NC0047384. The permit includes the following requirements for the 2017 report. ■ Award construction contract for Packages 2 and 3 of the T. Z Osborne BNR Project ■ Bid construction contract for Package 4 of the T. Z Osborne BNR Project ■ By December 31, 2017 submit report to DWR on activities relating to Packages 1, 2, 3 and 4 of the T. Z Osborne BNR Project ■ Note. In September 2014, the City of Greensboro decided to continue the Haw River Arm Study for at least an additional 12 months (through September 2015) Greensboro decided to continue the study until further notice. Jordan Lake Haw River Arm Study Update ■ The Haw River Arm Study began in October 2013 and includes 2 sampling events per month ■ Two Sampling Sites Site 055C— Below Pittsboro at the upper end of the Haw River Arm and Site 055E— Near the Jordan Lake Dam on Haw River arm ■ All lake sampling and laboratory analyses were conducted by Meritech, Inc , a State -certified commercial laboratory ■ The following parameters were included in the study Field Parameters Dissolved Oxygen (in mg/1) pH (in standard units) Specific Conductance (m umh%m) Temperature (in 'Celsius) Other Parameters Total Suspended Solids (TSS) — Standard Methods 2540 D (in mg/1) Turbidity — EPA Method 180 1 (in NTU) Ammonia -Nitrogen — EPA Method 350.1 (in mg/1) Total Kjeldahl Nitrogen (TKN) — EPA Method 3511 (in mg/I) Nitrate/Nitrite Nitrogen — EPA Method 353 2 (in mg/1) Total Phosphorus — EPA Method 200.7 (in mg/1) Chlorophyll a — EPA Method 445.0 (in µg/1) PO Box 3136 � Greensboro, NC 27402-3136 � www greensboro-nc e'ov � 336 -373 -CITY (2489) • TTY# 333-6930 Letter of 12-20-2017 Page 2 —T Z Osborne NPDES Total Nitrogen Reduction Schedule Report for CY 2017 The CY2017 Total Nitrogen Reduction Schedule Report contains an Interim data summary for October 2013 through September 2017, since the study is on-going A final report will be submitted at the conclusion of the study Jordan Lake Haw River Arm Study Interim Data Summary Report (October 2013 -September 2017) ■ One hundred ninety samples (190) have been collected in the 60 -month period ■ Results from Site 055C. Below Pittsboro at the upper end of the Haw River Arm 0 12 WQS exceedances for pH (12/94 = 12.8% exceedances) 0 9 WQS exceedances for turbidity (9/95 = 9.5% exceedances) 0 7 WQS exceedances for chlorophyll a (7/95 = 7 4% exceedances) ■ Results from Site 055E• Near the Jordan La` <e Dam on Haw River Arm 0 2 WQS exceedances for pH (2/95 = 2 1% exceedances) 0 6 WQS exceedances for turbidity (6/95 = 6 2% exceedances) 0 3 WQS exceedances for chlorophyll a (3/95 = 3 2% exceedances) T. Z. Osborne BNR Proiect Packages Activities ■ Package 1 of the T Z Osborne BNR Projec= was bid on July 10, 2014 Garney Construction was awarded the project and issued a Notice to Proceed on December 1, 2014 Construction is on-going and the package is scheduled for completion in 2018. ■ Package 2 of the T Z. Osborne BNR Project was bid on August 28, 2014 and Garney Construction was awarded the project by the Greensboro City Council on January 6, 2015 Construction is on- going and the package is scheduled for completion in 2018. ■ Package 3 of the T. Z Osborne BNR Project is being delivered using the Construction Manager at Risk (CMAR) method and was awarded to Garney Construction by the Greensboro City Council on November 15, 2015 Construction is underway and is scheduled for completion in 2018. ■ Package 4 of the T Z Osborne BNR Project was bid on September 28, 2017 and Adams Robinson was awarded the project by the Greensboro City Council on November 14, 2017. Construction is scheduled to begin January 2018 Sincerely, Martie Groome Laboratory and t1nrialrWaste Section Supervisor Phone 336-433-7229 Email: martie.groome@greensboro-nc.gov cc- Steve Drew, Water Resources Director (v -a email) Mike Borchers, Water Resources Deputy Director (via email) Elijah Williams, Water Reclamation Manager (via email) Bradley Flynt T. Z Osborne ORC (via email) Alicia Goots, Laboratory Coordinator (via email) Julie Grzyb, NCDEQ, DWR NPDES Permitting Section (via email) I_ t JORDAN LAKE HAW RIVER ARM SAMPLING/ANALYSES BY STATE CERTIFIED COMMERCIAL LABORATORY Greensboro 913 677 Jordan Lake Haw River Arm -Site CPF055C Sam Special Dissolved 928 749 106 168 12 5/5/2014 Ammom Study Oxygen pH Conductivity Temp TSS Turbidity Nitrogei 6/2/2014 mg/I units umho/cm °C mgll NTU mg/I Sample Date Field Field Field Field SM 2540D EPA 1801 EPA 350 10/18/2013 777 7 31 183 2040 9 5 8 < 002 10/31/2013 854 769 196 182 6 4 6 < 002 11/14/2013 9 18 906 255 29 5 16 101 < 002 11/27/2013 8 51 718 242 11 0 11 7 002 12/9/2013 903 733 181 9 9 8 9 6 004 12/30/2014 11 68 686 73 7 4 40 78 019 1/6/2014 11 46 728 115 5 5 6 21 5 010 1/20/2014 11 33 702 88 6 3 10 31 005 2/3/2014 1228 7 11 163 3 5 6 128 014 2/25/2014 1026 706 116 9 9 18 347 < 002 3/5/2014 1035 716 141 7 5 7 154 < 002 3/19/2014 1055 708 117 6 6 18 30.4 008 4/9/2014 913 677 133 156 42 4/23/2014 928 749 106 168 12 5/5/2014 871 773 147 21 3 6 5/20/2014 763 704 100 22 1 11 6/2/2014 909 842 160 261 7 6/19/2014 11 37 915 240 302 14 7/9/2014 879 891 236 293 9 7/28/2014 918 906 255 295 9 8111/2014 778 853 247 272 8 8/27/2014 651 751 216 273 6 9/8/2014 579 7 17 224 282 9 9/23/2014 662 7 17 245 246 14 10/13/2014 727 734 252 21 8 7 10/27/2014 731 719 267 187 58 11/12/2014 936 761 254 159 6 11/25/2014 951 734 249 11 8 4 12/3/2014 1001 730 258 103 4 12/15/2014 1021 725 221 82 3 1/5/2015 11 09 716 154 90 10 1/26/2015 11 33 688 203 62 17 2/4/2015 11 10 700 183 57 7 2/25/2015 1325 704 216 23 4 3/16/2015 1072 702 195 120 12 3/30/2015 1013 729 179 129 10 4/6/2015 1059 766 175 17 0 8 4/16/2015 753 700 164 188 8 5/4/2015 984 739 121 21 2 17 5/20/2015 941 853 218 27 3 6 6/3/2015 641 779 234 269 6 6/18/2015 997 913 210 31 7 7 7/7/2015 1363 959 244 29 8 11 7/20/2015 993 926 195 308 8 8/3/2015 827 866 221 30 5 9 8/21/2015 698 773 244 290 6 9/11/2015 801 867 234 289 9 9/21/2015 8 13 843 241 261 8 10/12/2015 834 714 110 195 15 10/27/2015 767 708 153 17 7 11 11/9/2015 749 692 112 168 8 11/23/2015 890 7 04 90 130 19 12(//2015 881 686 134 12 2 < 2 5 1/18/2016 881 661 86 85 6 1/27/2016 11 53 694 126 41 < 2 5 2/8/2016 1038 682 93 86 18 2/29/2016 1001 729 84 97 18 3/14/2016 981 871 141 193 9 3/29/2016 867 684 97 169 20 4/6/2016 4/25/2016 729 883 706 797 122 196 16 3 11 21 5 4 5/16/2016 742 753 122 22 1 9 5/31/2016 819 834 126 25 3 8 6/8/2016 778 833 142 27 1 12 6/23/2016 989 929 161 < 25 7/11/2016 951 9.07 138 30 7 9 7/25/2016 8/8/2016 912 894 9 03 9.42 163 174 32 8 7 30 0 15 8/30/2016 686 7 74 179 305 12 9/14/2016 993 921 193 28 7 5 9/26/2016 639 707 192 26 1 8 10/3/2016 871 8 19 163 248 11 10/28/2016 567 690 117 19 8 8 11/7/2016 816 723 144 184 7 11/3012016 803 741 170 138 4 12/12/2016 871 722 197 106 6 12/27/2016 10 80 770 200 97 5 1/16/2017 11 13 743 199 76 8 1/31/2017 967 717 120 90 19 2/8/2017 11 07 132 105 11 2/20/2017 1053 811 188 11 6 12 3/6/2017 962 757 207 12 5 10 3/29/2017 1006 836 219 17 7 5 4/10/2017 9 17 7 53 149 18 0 11 4/26/2017 8 51 6 87 70 15 2 46 5/10/2017 848 739 123 20 0 4 5/24/2017 751 764 171 23 0 27 6/12/2017 899 9.19 142 28 2 < 2 6/26/2017 882 7 61 105 271 13 7/10/2017 813 849 158 305 3 7/31/2017 758 783 200 285 18 8/15/2017 778 852 223 288 4 8/30/2017 6 97 7 41 247 26 3 12 9/18/2017 9/28/2017 1084 781 913 822 217 227 25 5 13 26 2 10 mg PQLs) 910 N/A 174 19 0 10 1363 959 267 32 8 46 567 661 70 23 2 ling WQS 95 0 94 12 95 N/A 94 95 N/A N1 ions 0 128 >4 0. 6 0-G 2� IMMERMINEEM MmN t MEMEM r r ■ ■®N ®E ■ M®M NEMEE r M®N ■EMEE r r ■ NmE r r NEMEM r MEME� r r M®� MEME� t N®N MEMEN rr MEMEN r �' MEME� r NEME� t NEWE� r ■ MImM r EMIN is M®� Em� r MEME� r N®� MEMEN r M®E NmM t EMM M r r NEMEM NmE r NmE r MEMMMMEMEN ■ M®M INEME■NEMEN ' ' ■ ■ 61, E NOME ■ ENIMERIEWIME NEMEMMIM 01 MEMEMEMIEN �mE r r N MEMEMEMIEN NEW No MEEE= NEMINEEM ��M i N� MME EEM, —I■—I♦EN ����EEM ■��■�1i/1•■ENMI -I by Meritech, Inc Nitrate/ Total Phosphorus Chlorophyll a Nitrite mgll mgll ug/I EPA 353 2 EPA 200 7 EPA 445 0 044 0 057 335 052 0 074 282 062 0 068 255 088 0 063 224 081 0 067 167 056 016 705 080 0 077 712 051 0 084 588 111 002 261 040 0 095 757 06B 0 063 965 045 0 085 453 027 015 343 048 0 083 101 066 0 069 139 051 011 164 032 0061 154 034 0 091 365 003 0 074 389 09 0 087 32 4 0 11 0 064 337 015 1 0 072 222 003 054 021 052 051 055 088 085 071 061 098 083 1 58 065 1 03 1 042 092 003 218 034 204 < 002 1 36 < 002 1 31 006 078 002 053 < 002 092 042 094 038 069 035 095 028 063 037 062 043 078 082 091 048 101 035 079 063 115 068 074 054 085 076 0 70 1 06 0 :, 9 0 23 0 80 06,7 097 010 085 023 078 < 002 100 005 100 009 082 002 101 013 073 047 057 050 075 033 0 67 055 060 091 099 1 07 086 082 071 045 047 049 1 50 075 095 115 068 076 092 057 1 05 026 048 043 118 093 125 013 OB6 031 1 09 023 1 26 007 105 010 0 08 023 021 -64-6 0 072 0 086 0 085 0 062 0 058 0 063 0 067 0 055 0 139 0 093 0 084 0 108 0 085 0 134 0 117 0 067 0 118 0 096 0 087 0 124 0 082 0 109 0 098 0 041 6-0-6-6 0 075 0 040 0 059 0 048 0 093 0 069 0 033 0 063 0 067 0 052 0 060 0 048 0 067 0 051 0 077 0 042 0 055 0 044 0 042 0 048 0 046 0 055 0 044 0 064 0-0-94 0 047 0 087 0 062 0 094 0 053 0 084 0 060 0 261 0 081 0 065 208 244 148 553 139 183 123 140 381 337 245 773 324 433 234 205 31 63 188 498 2 05 446 5 76 12 0( 761 705 143 317 226 426 185 287 112 352 304 179 150 118 69 155 124 Z4_8 195 183 437 417 340 824 442 20 8 82 4 205 95 7 74 JORDAN LAKE HAW RIVER ARM SAMPLING/ANALYSES BY STATE CERTIFIED COMMERCIAL LABORATORY Greensboro Jordan Lake Haw River Arm -Site CPF055E Sampling/Analyses by Mentech, Inc Special Dissolved Turbidity Ammonia NitrogenTKN Nitrate/ Nitrite Total Phosphorus Chlorophyll a Study Oxygen pH Conductivity Temp TSS mg/I units umho/cm °C mg/1 NTU mg/I mg/I mgll mg/l ugll Sample Date Field Field Field Field SM 2540D EPA 180 1 EPA 350 1 EPA 351 1 EPA 353 2 EPA 200 7 EPA 445 0 10/18/2013 521 6 97 172 202 6 4 3 < 002 0 97 047 0 047 164 10/31/2013 7 9 7 13 186 177 6 51 < 002 084 052 0 042 137 11/14/2013 7 71 839 231 285 5 71 < 002 1 09 0 60 00 54 14 2 11/27/2013 7 89 707 205 11 6 10 5 7 _004 0 89 0 66 0 057 145 12/9/2013 9 1 7 47 195 9 7 6 7 7 002 1 18 083 0 064 17 12/30/2014 9 1 9 01 116 91 9 202 _017 043 066 0 086 4 8 1/6/2014 998 7 31 149 8 0 7 8 9 006 045 045 0 055 163 1/20/2014 1041 1 698 126 6 6 10 19 009 053 041 0 067 120 2/3/2014 11 96 6 91 120 4 4 5 157 009 —0-43- 063 0 022 5 8 2/25/2014 1048 7 04 117 97 14 28.E < 002 025 042 0 096 873 3/5/2014 1038 7 13 129 7 7 10 155 < 002 < 020 0 55 0 063 587 3/19/2014 1035 7 12 115 7 6 14 206 003 < 020 038 0 075 104 4/9/2014 979 683 130 154 26 28.8 < 002 057 029 0 115 573 4/23/2014 1046 841 125 173 10 8 9 < 002 081 014 0 064 22 8 5/5/2014 836 7 39 131 208 < 2 5 5 9 < 002 < 0 2 041 0 052 773 5/20/2014 724 698 139 21 7 11 164 003 0 31 021 _0065 190 6/2/2014 902 839 135 265 < 2 5 52 003 069 008 0 054 139 6/19/2014 967 862 192 29 0 5 4 5 < 002 075 019 0 061 266 7/9/2014 733 7 62 207 28 2 4 4 4 < 002 081 004 0 049 238 7/28/2014 7 71 8 39 231 28 5 7 4 3 < 002 109 004 0 068 259 8/11/2014 7 41 8 21 200 27 0 5 5 2 < 002 131 < 002 0 051 21 9 8/27/2014 729 811 191 278 7 5 1 < 002 062 0 02 0 055 21 7 9/8/2014 627 7 31 190 281 7 5 9 < 002 1 14 < 002 0 056 167 9/23/2014 664 723 211 249 5 5 0 006 070 015 0 057 224 10/13/2014 758 7 41 211 22 3 < 2 5 4 5 < 002 068 020 0 062 17 1 10/27/2014 792 746 250 19 5 3 8 < 2 5 007 047 049 0 049 773 11/12/2014 912 7 61 233 15 5 < 2 2 33 002 028 043 0 039 676 11/25/2014 886 7 24 248 11 6 4 4 3 < 002 074 058 0 054 179 12/3/2014 917 7 21 256 104 3 6 1 006 071 075 0 062 197 12/15/2014 1003 7 22 243 91 6 5 3 006 059 078 0 055 156 1/5/2015 976 6 97 190 8 6 10 7 6 015 029 059 0 049 137 1/26/2015 11 31 68 187 6 3 33 9 4 004 022 049 0 054 157 2/4/2015 1141 724 192 6 1 7 9 8 Oil 046 048 0 068 120 2/25/2015 1277 724 183 3 1 4 106 019 070 063 0 114 132 3/16/2015 1081 7 18 169 11 1 10 164 010 1 26 1 03 0 074 153 3/30/2015 1044 7 22 167 126 6 77 < 002 0 91 050 007 239 4/6/2015 1089 748 206 151 6 7 5 < 002 1 06 044 0 076 339 4/16/2015 773 7 11 160 187 4 11 5 Oil 1 20 0 31 0 069 5 8 5/4/2015 968 722 132 21 4 18 11 8 < 002 1 12 017 0 177 201 5/20/2015 982 844 138 261 3 4 4 < 002 1 06 022 0 086 146 6/3/2015 7 91 858 169 260 2 4 1 < 002 071 010 0 069 198 6/18/2015 853 879 202 31 9 4 34 < 002 1 01 003 0 060 9 8 7/7/2015 971 8 91 211 28 7 7 5 0 < 002 1 08 < 002 0 087 25 1 7/20/2016 811 9.13 195 30 4 < 2 5 3 9 < 002 186 < 002 0 076 199 8/3/2015 818 8 71 190 30 8 7 4 8 < 002 086 < 002 0 063 173 8/21/2015 754 809 215 285 7 4 3 < 002 083 005 0 067 336 9/11/2015 727 8 13 212 28 2 7 4 3 002 062 < 002 0 020 239 9/21/2015 7 91 8 21 191 264 3 3 8 < 002 068 < 002 0 061 29 6 10/12/2015 813 7 33 158 198 10 3 6 < 002 079 035 0 068 164 10/27/2015 739 6 84 148 179 9 110 < 002 080 038 0 030 177 11/9/2015 727 704 134 17 1 8 11 5 065 046 0 047 6 1 11/23/2015 841 6 85 91 138 27 34.3 _002 009 1 08 030 0 075 4 9 12/7/2015 823 706 140 12 7 < 2 5 4 5 < 002 0 88 032 0 040 169 1/18/2016 802 652 99 9 5 8 161 < 002 069 035 0 037 3 7 1/27/2016 937 6 59 97 6 6 < 2 5 7 5 005 067 032 0 032 6 8 2/8/2016 1000 686 117 101 14 53.8 004 068 058 0 093 4 4 2/29/2016 936 7 25 96 9 0 12 31.1 004 098 0 37 0 051 89 3/14/2016 1091 873 136 17 8 10 108 < 002 1 11 070 0 034 186 3/29/2016 898 878 96 166 6 129 < 002 087 060 0 037 11 7 4/6/2016 811 7 14 121 17 1 5 11 1 007 084 051 0 040 6 5 4/25/2016 1006 857 153 21 0 4 4 0 < 002 080 038 0 038 204 5/16/2016 934 8 61 134 229 5 52 < 002 084 014 0 031 365 5/31/2016 863 873 127 256 7 61 < 002 077 004 0 046 263 6/8/2016 859 8 81 147 27 8 6 66 < 002 1 13 050 0 052 200 6/23/2016 898 879 153 28 5 5 4 2 < 002 086 009 0 044 308 7/11/2016 869 9 01 157 30 9 7 66 < 002 093 < 002 0 053 339 7/25/2016 8 01 8 89 151 31 7 6 5 7 < 002 082 < 002 0 038 192 8/8/2016 729 788 157 299 < 2 5 44 < 002 083 Oil 0 042 241 8/30/2016 7 31 7 9 153 306 10 44 < 002 087 002 0 041 170 9/14/2016 976 8 97 168 283 6 37 < 002 056 < 002 0 036 224 9/26/2016 6 01 706 175 262 6 4 0 004 080 045 0 035 229 10/3/2016 808 764 196 251 7 7 6 < 002 070 039 0 051 253 10/28/2016 520 6 83 118 198 8 6 9 003 061 031 0 031 11 4 11/7/2016 588 6 76 129 187 6 9 5 < 002 0 71 032 0 031 121 11/30/2016 7 51 7 14 162 137 4 6 7 < 002 056 052 0 036 149 12/12/2016 794 7 14 183 11 0 5 1 1 5 9 <1 002 060 080 0 034 143 12/27/2016 9 0 7 1 203 8 3 4 50 < 002 1 25 093 0 041 30 2 1/16/2017 10 8 729 148 7 9 4 64 < 002 086 060 0 039 227 1/31/2017 9 7 709 142 91 13 106 003 1 11 0 52 0 045 137 2/8/2017 1018 769 139 97 8 8 9 < 002 030 042 0 037 197 2/20/2017 11 56 868 150 11 8 10 801. < 002 1 17 059 0 041 302 3/6/2017 1057 1 7 84 183 130 8 63 002 1 11 074 0 044 234 3/29/2017 10 61 1 863 180 160 6 2 4 < 002 073 050 0 042 192 4/10/2017 919 1 7 66 190 169 5 7 4 002 0 89 059 0 040 14 3 4/26/2017 724 1 696 133 17 0 20 1 1 187 014 078 043 0 060 5 7 5/10/2017 805 1 7 17 135 202 18 61 < 002 036 022 0 042 162 5/24/2017 814 1 859 145 249 4 4 8 < 002 090 009 0 041 269 6/12/2017 974 1 903 135 27 3 11 7 9 < 002 096 < 002 0 043 298 6/26/2017 872 1 803 95 27 6 17 188 < 002 1 25 013 0 104 40.9 7/10/2017 7 88 1 8 22 133 301 4 4 5 < 002 062 002 0 033 163 7/31/2017 761 1 7 59 171 287 12 5 9 < 002 1 20 < 002 0 045 40.7 8/15/2017 704 1 7 89 184 287 6 4 3 < 002 098 003 0 045 29 8 8/30/2017 658 1 7 31 190 270 6 4 2 010 079 < 002 0 049 34 8 9/18/2017 11 46 1 9.31 195 259 12 4 0 < 002 124 005 0 056 783 9/28/2017 764 858 189 26 6 5 5 1 < 002 105 004 0 045 356 AVG' (using PQLs) 877 NIA 165 192 7 8 9 7 004 080 034 006 190 MAX 1277 9 31 256 31 9 33 803 019 1 86 1 03 018 783 MIN 520 652 91 3 10 < 2 0 < 240 < 002 < 020 < 002 0 020 372 Count 95 95 95 95 95 95 95 95 95 95 95 # exceeding WQS 0 2 N/A N/A N/A 6 N/A N/A N/A N/A 3 Violations 0 2.1 8.3 3.2 U�CJu,1ilV0 6�^ 3 *Turbidity W S exceedances are not necessarily associated with nutrient loading