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INDIVIDUALLY CALCULATED NITRATE LOADING FROM EACH OF THE FOUR PROPOSED PARCELS WITH A SECOND UNIT DWELLING FACTORED IN: Proposed Parcel 1: 2.78 Acres 4 existing bedrooms+3 second unit dwelling bedrooms=7 bedrooms 7 bedrooms x 140 gals/day/bedroom=980 gals/day: I=980 apd x 365 d/vr=357,700 gals=total WW/)I=47,821 cu ft =4.74 in/yr 2.78 Ac x 43,560 sq ft/Ac x (1 ft/12 in) 4.74 in/)Lr(62 ms N2) 0 -0.30)+(16 in/yr x 0.1 mg/L) Nr = (4.74 in/yr+ 16 in/yr) Nr10.0 ppm as nitrate-nitrogen (NO3-N)or 45.0 ppm as nitrate(NO3) <_Propo ed Parcel 2: 2.43 Acres 3 anticipated bedrooms+3 second unit dwelling bedrooms=6 bedrooms 6 bedrooms x 140 gals/day/bedroom=840 gals/day: I=840 end x 365 d/yr=306,600 gals=total WW/yr=40,989 cu ft =4.65 in/yr 2.43 Ac x 43,560 sq ft/Ac x (1 ft/12 in) 4.65 in/yr(62 mg N/L) 0 -0.30)+(16 in/yr x 0.1 ma/L) Nr = (4.65 in/yr+ 16 in/yr) Nr = 9.9 ppm as nitrate-nitrogen(NO3-N)or 44.6 ppm as nitrate (NO3) Proposed Parcel 3: 2.04 Acres 3 Existing bedrooms+3 second unit dwelling bedrooms=6 bedrooms 6 bedrooms x 140 gals/day/bedroom= 840 gals/day: I=84_0 gpd x 365 d/yr=306,600 gals=total WW/yr=40,989 cu ft =5.54 in/yr 2.04 Ac x 43,560 sq ft/Ac x (1 ft/12 in) 5.54 in/yr(62 mg N/L) 0 -0.30)+(16 in/yr x 0.1 mW/L) Nr = (5.54 in/yr+ 16 in/yr) Nr - 11.2 ppm nitrate-nitrogen (NO3 N) or 50.5 ppm as nitrate (NO3) Proposed Parcel 4: 2.16 Acres 3anticipated bedrooms+3 second unit dwelling bedrooms=6 bedrooms 6,,bedrooms x 140 gals/day/bedroom= 840 gals/day: /I=840 gpd x 365 d/yr=306,600 gals=total WW/,a=40,989 cu ft =5.23 in/yr i 2.16 Ac x 43,560 sq ft/Ac x (1 ft/12 in) 5.23 inbT(62 mg N/L) 0 -0.30)+(16 in/yr x 0.1 mg/L) Nr = (5.23 in/yr+ 16 in/yr) Nr = 10.8 ppm as nitrate-nitrogen (NO3 N) or 48.5 ppm as nitrate (NO3) i s Page-9- Chesney Consulting