WATERSHED PERMITTING IN NORTH CAROLINA

NPDES PERMIT NCC000001 BECAME EFFECTIVE JAN 1, 2003

NEUSE RIVER COMPLIANCE ASSOCIATION

MORRIS V. BROOKHART, P.E.

DURHAM

RALEIGH

AREA: 6,192 SQ. MILES

3,497 FRESHWATER STREAM MILES

POPULATION: 1,354,000

BACKGROUND

TAR PAMILICO NUTRIENT TRADING BASINWIDE WATER QUALITY PLANS FORMATION OF THE LNBA 1995 FISH KILLS IN NEUSE ESTUARY

30% REDUCTION IN TOTAL NITROGEN TO ESTUARY - ADMINISTRATIVE RULE

POINT SOURCE TN 24% OF TOTAL INCLUDED POINT-SOURCE GROUP

COMPLIANCE OPTION POINT SOURCES CAN PURCHASE TN

ALLOCATION FROM WETLANDS RESTORATION - $11 PER LB x 200% x 30 YRS ~ $7 PER GAL. OF TREATMENT CAPACITY

EXPANDING PLANTS < 3.5 Mg/l TN

1997 NUTRIENT MANAGEMENTSTRATEGY

PHASE I TMDL – 1999: 30 % REDUCTION FROM 1995 NOT BASED ON CALIBRATED NUTRIENT RESPONSE MODEL. DID DIRECT FOCUS TO ESTUARY. BASIS OF CURRENT WASTELOAD ALLOCATIONS

PHASE II TMDL – 2001: 30% REDUCTION FROM 1995 BASED ON SEVERAL MODELS AND STUDIES GREATER TRANSPORT IN MAIN STEM INCREASED POINT SOURCE % TEMPORARY ALLOCATION – FINAL PENDING SPARROW MODEL RESULTS.

ADAPTIVE MANAGEMENT PROPOSED

TMDLS – ESTUARY TN

KEY ELEMENTS BEFORE BASINWIDE TN PERMIT

CONCEPT OF GROUP COMPLIANCE TAR-PAMILICO AGREEMENT – 1989

THE LOWER NEUSE BASIN ASSOC. GROUP WATER QUALITY MONITORING $2 MILLION STATE GRANT INTERNAL TN MONITORING SUCCESS AT REDUCING NITROGEN AT

MEMBER PLANTS

LOWER NEUSE BASIN ASSOCIATION MEMBERSANNUAL TOTAL NITROGEN DISCHARGE 1995 - 2001

0

500,000

1,000,000

1,500,000

2,000,000

2,500,000

3,000,000

3,500,000

1995 1996 1997 1998 1999 2000 2001

AN

NU

AL

PO

UN

DS

TO

TA

L N

ITR

OG

EN

LNBA TOTAL NITROGEN ALLOCATION

INDIVIDUAL NPDES PERMITS

PHOSPHORUS – 2 Mg/l QUARTERLY AVG AMMONIA – 2 Mg/l SUMMER; 4 Mg/l WINTER TOTAL NITROGEN – ANNUAL MASS

ALLOCATION LOWER LIMITS DUE TO LOCAL

CONDITIONS SAMPLING, MONITORING AND REPORTING

TOTAL NITROGEN

ESTUARY WASTELOAD ALLOCATION70% OF 1995 TN LOAD = 1.64 MILLION LBS

BASIS OF INDIVIDUAL ALLOCATIONS:SUM OF MUNICIPALS: 3.7 Mg/L @ PERMIT FLOW

+ SUM OF INDUSTRIALS: 3.15 Mg/l @ PERMIT FLOW+ SUM OF PLANTS < 0.5 MGD: 1995 + GROWTH

1.64 MILLION LBS

EQUITY /COST-EFFECTIVENESS

PERMIT FLOW vs 1995 ACTUAL FLOW TRANSPORT LOSS IN RIVER

UPPER BASIN DISCHARGER: 10 LBS TO RIVER; 1 POUND TRANSPORTED TO ESTUARY

MID BASIN: 10 LBS TO RIVER; 5 LBS TRANSPORTED TO ESTUARY

DISCHARGER AT ESTUARY: 10 LBS TO ESTUARY

SOME ADJUSTMENTS WERE MADE

INDIVIDUAL NPDES PERMITS

a. ANNUAL TN LOAD IS < ALLOCATION or b. PERMITTEE IS CO-PERMITTEE MEMBER

OF GROUP COMPLIANCE ASSOCIATION

IN COMPLIANCE WITH TN LIMIT IF:

GROUP COMPLIANCE PERMIT

CO-PERMITTEE MEMBERS, INDIVIDUALALLOCATION AND TRANSPORT FACTORSARE LISTED IN APPENDIX A

APPENDIX B LISTS ALL POINT SOURCEDISCHARGERS WITH TN ALLOCATION

SUM OF CO-PERMITTEES ESTUARY TN LOAD IS LESS THAN

ASSOCIATION ESTUARY TN ALLOCATION

CO-PERMITTEES, TRANSPORT FACTORS, AND TN ALLOCATIONS - NEUSE RIVER COMPLIANCE ASSOCIATION

Permit Permittee Facility Q95 TF Discharge TN Allocation Estuary TN Allocation

1 NC0064050 Town of Apex Middle Creek WWTP 3.6 50% 40,547 40,547 20,274 20,274

2 NC0020389 Town of Benson Benson WWTP 3 50% 33,790 33,790 16,895 16,895

3 NC0048879 Town of Cary North WWTP 12 50% 135,158 67,579 3 Town of Morrisville, formerly NC0050041 Morrisville WWTP 0.2 50% 4,044 2,022 3 Town of Morrisville, formerly NC0050938 Morrisville WTP 0.2 50% 4,044 2,022

3 Total 143,246 71,623 4 NC0065102 Town of Cary South WWTP 16 50% 180,211 180,211 90,105 90,105

5 NC0030716 Johnston County Central Johnston County WWTP 4.99 50% 56,203 28,102 5 NC0060330 Johnston County White Oak Plantation WWTP 0.5 50% 5,632 2,816 5 NC0064556 River Dell Utilities, Inc. Buffalo Creek WWTP 0.5 50% 5,632 2,816

5 Total 67,467 33,734

6 NC0025453 Town of Clayton Little Creek WWTP 1.9 50% 21,400 21,400 10,700 10,700 7 NC0032077 Contentnea Metropolitan Sewerage Dist. Contentnea Sewerage District WWTP 2.85 70% 32,100 32,100 22,470 22,470

8 NC0026824 NC DHHS Butner WWTP 3.5 10% 58,599 58,599 5,860 5,860

9 NC0029572 Town of Farmville Farmville WWTP 3.5 50% 39,421 19,711 9 Town of Walstonburg, formerly NC0020362 Walstonburg WWTP 0.138 50% 2,790 1,395

9 Total 42,211 21,106

10 NC0023949 City of Goldsboro Goldsboro WWTP 16.8 70% 189,221 132,455 10 Wayne County, formerly NC0030392 Genoa Industrial Park WWTP 0.4 70% 8,088 5,662 10 NC0048062 Town of Eureka Eureka Town- WWTP 0.04 50% 809 404

10 Total 198,118 138,521

11 NC0064891 Town of Kenly Kenly Regional WWTP 0.63 50% 7,096 7,096 3,548 3,548

12 NC0020541 City of Kinston Peachtree WWTP 6.75 70% 76,026 76,026 53,218 53,218

13 NC0024236 City of Kinston Northside WWTP 4.5 70% 50,684 50,684 35,479 35,479

14 NC0021644 Town of La Grange La Grange WWTP 0.75 70% 8,447 8,447 5,913 5,913

15 NC0025348 City of New Bern New Bern WWTP 4.7 100% 52,937 52,937 52,937 52,937

16 NC0029033 City of Raleigh Neuse River WWTP 60 50% 675,790 337,895 16 Bobby L. Murray Plantation Inn WWTP, formerly NC0027570 0.025 50% 506 253 16 Crosby Water and Sewer, Inc. Falls Village WWTP, formerly NC0046230 0.006 50% 121 61

16 Total 676,417 338,209

17 NC0030759 Town of Wake Forest Wake Forest WWTP 6 50% 67,579 67,579 33,790 33,790

GROUP COMPLIANCE PERMIT

CO-PERMITTEE IS IN COMPLIANCE WITHPERMIT IF:

A. THE ASSOCIATION IS WITHIN ITS ESTUARY ALLOCATION or

B. THE CO-PERMITTEE IS WITHIN ITS ESTUARY ALLOCATION

GROUP COMPLIANCE PERMIT

OFFSET PAYMENTS AND ENFORCEMENT:

A. IF THE ASSOCIATION EXCEEDS ITS ESTUARY ALLOCATION, OFFSET PAYMENT IS MADE TO WETLANDS RESTORATION FUND - $11 PER LB.

B. ADDITIONAL APPROPRIATE ENFORCEMENT ACTION CAN BE TAKEN FOR NON-COMPLIANCE

GROUP COMPLIANCE PERMIT

REPORTING REQUIREMENTS:• CO-PERMITTEE MONTHLY DMRs• GROUP COMPLIANCE MID-YEAR REPORT

• PAST YEAR - FOR INFORMATION ONLY• EACH CO-PERMITTEE ESTUARY LOAD• ASSOCIATION ESTUARY LOAD• CHANGES IN MEMBERSHIP OR TN FOR

NEXT CALENDAR YEAR• GROUP COMPLIANCE YEAR-END REPORT

GROUP COMPLIANCE PERMIT

REPORTING REQUIREMENTS:GROUP COMPLIANCE YEAR-END REPORT

• FOR CALENDAR YEAR• EACH CO-PERMITTEE ESTUARY LOAD• ASSOCIATION ESTUARY LOAD• CHANGES IN MEMBERSHIP• TRANSACTIONS AFFECTING ALLOCATIONS• ASSOCIATION TN CONTROL STRATEGY• PROGRESS AND PLANNED ACTIVITIES

OPERATION OF COMPLIANCE ASSOCIATION

A WORK IN PROGRESS BY-LAWS JUNE 2002 INITIAL POLICIES AND PROCEDURES –

JUNE 2003 INTERNAL INCENTIVES FUTURE TRADING

COSTS OF TN REDUCTION UNCERTAINTIES