APPENDIX ‘B’
EQUIVEALENT RESIDENT (ERU) SCHEDULE AND ASSOCIATED FORMULA
Description ERU
Accessory Dwelling Unit (ADU)... 1.00
Apartments................................... 0.85
Auto Dealerships.......................... 2.00
Bowling Alleys.............................. 0.29 per lane
Business Office............................ 0.04 per 100sqft
Churches without Schools............ 1.00
Churches with Schools................. 1.00 plus school calculation
Condominiums............................. 0.85 per condo
Grocery Store............................... 0.02 per 100 sqft
Guest Houses.............................. 0.00
Hospitals..................................... 0.70 per bed
PLUS 0.17 per employee
Laundromats............................... 0.56 per machine
Medical/Dental Office............... 0.04 per 100sqft
Mobile Home Park...................... 1.00 per mobile home
Motel Units with Kitchens.......... 0.50 per unit
Motel Units without Kitchens.... 0.25 per unit
Multi-Family Residences........... 1.00 per unit
Nursing Homes.......................... 0.70 per bed
Restaurants............................... 0.08 per seat
Retail Sales............................... 0.02 per 100sqft
Schools...................................... 0.08 per student & staff
Service Stations
Con.Store with Car Wash........ 1.50 per gas pump
Service Station
Con.Store without Car Wash.... 1.00 per gas pump
Single Family Dwelling............... 1.00
Tavern/Lounge........................... 0.033 per seat
Theatres.................................... 0.007 per seat
Warehouse with
Water & Restroom................... 0.15 per 100 sqft
Miscellaneous
Any sewer use that cannot be classified under one of the above, shall have its ERU determined by the District
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