| One-family dwelling | |
| | 1 kitchen | 1 |
| | 2 kitchens | 2 |
| Each separate apartment in a two-family, three-family or multiple dwelling | 1 |
| Garbage disposal units, each disposal unit | 1 |
| Pool backwash from residential pool | 1 |
| Mobile home | 1 |
| Combination one-family home with a professional or business office that has: | |
| | An average of less than three occupants (see Note 1) | 1 1/2 |
| | 3 or more occupants, or otherwise, in the opinion of the Director, generates flow greater than the equivalent of 1/2 unit of use (see Note 1) | |
| Hotels or motels (no meals), each 3 rooms or part thereof | 1 |
| Hotels (American plan with meals), each 2 rooms (see Note 2) | 1 |
| Rooming houses (no meals served on premises to roomers) for each 4 beds or part thereof (see Note 3) | 1 |
| Residence for adults or youths; boardinghouses (majority of residents remain on premises; meals served), for each 3 beds or part thereof (see Notes 2 and 3) | 1 |
| Business offices, for each 5 occupants or part thereof (see Note 1 and 4) | 1 |
| Medical offices (including dentists), for each 4 occupants or part thereof (see Notes 1 and 4) | 1 |
| Stores and commercial establishments, for each 5 occupants or part thereof (see Note 1) | 1 |
| Industrial facilities (any nonresidential enterprise which produces nontypical waste as defined below), for each 215 gallons per day of flow | 1, plus additional units which shall be assigned by the Director based upon the quality of sewage |
| Laundromats: | |
| | For each 2 washing machines less than 25 pounds' capacity, or equivalent | 1 |
| | For each washing machine 25 pounds' capacity and over or equivalent | 1 |
| Laundries | Based on capacity and units to be assigned by the Director |
| Car laundries | Based on capacity and units to be assigned by the Director |
| Physical fitness establishments, for each 25 users (average/day) | 1 |
| Dance and gymnastics studios, for each 100 users (average/day) | 1 |
| Ice and roller rinks: | |
| | Each 50 users (average/day) | 1 |
| | Each 60 spectators (average/day) | 1 |
| Summer camps (6 months): | |
| | Each 40 campers without lunches served (average/day) | 1 |
| | Each 30 campers with lunches served (average/day) | 1 |
| Racquet courts, each court | 3 |
| Country club, each 10 members (for full year) | |
| | (additional units assigned for overnight accommodations and food service for non-club-members) | 1 |
| Parks, for each toilet, urinal, or shower (for full year operation) | 1 |
| Swimming pools, each 25 swimmers (average/day/season) (for full-year operation) | 1 |
| Pool filter backwash (large public pools), based on capacity and units assigned by the Director | 1 |
| Taverns; discos; juice bars; adult entertainment (little or no food service), each 12 seats or stools, or part thereof with a minimum of 3 units | 1 |
| Eating establishment (bar seats and stools shall be included in seat count): | |
| | 15 seats or less | 3 |
| | 16 to 20 seats | 4 |
| | 21 to 25 seats | 5 |
| | 26 to 35 seats | 6 |
| | 36 to 50 seats | 7 |
| | 51 to 80 seats | 8 |
| | 81 to 120 seats | 9 |
| | Each 50 seats or part thereof above 120 seats | 1 |
| Catering hall | Assign 40% of the number of units assigned for full seating capacity of "eating establishments" as rounded up to the next whole unit |
| Catering takeout or delicatessen, each 5 employees | 1 |
| Bakeries and bagel shops, each 5 employees | 1 |
| Schools (public, private and parochial): | |
| | Elementary, for each 60 pupils | 1 |
| | Junior high school, for each 54 pupils | 1 |
| | Senior high school, for each 42 pupils | 1 |
| Colleges: | |
| | For each 54 students | 1 |
| | For each 75 evening students | 1 |
| | For each 8 resident students (where dormitories are available) | 1 |
| Churches, synagogues, temples and other places of worship (plus school sessions) | |
| | Small congregation: under 100 families | 1 |
| | Medium congregation: 100 to 250 families | 2 |
| | Large congregation: over 250 families | 3 |
| | For part-time weekday schools, add 1 unit | |
| Funeral parlors, each viewing room | 1 |
| Theaters, for each 60 seats or part thereof | 1 |
| Libraries, each 5 occupants or part thereof | 1 |
| Bowling alleys, for each 3 lanes | 1 |
| Hospitals, for each 4 beds (see Note 3) | 3 |
| Convalescent homes; nursing homes; group homes or hostels, for each 2 beds (see Note 3) | 1 |
| Veterinarians, for each 5 occupants (see Note 1) | 1 |
| Service stations, each toilet or urinal | 1 |
| Beauty salons and barbershops (count each shampoo facility as a customer service station | |
| | Up to 3 customer service stations | 2 |
| | 4 to 5 customer service stations | 3 |
| | 6 or more service stations | 4 |
| Firehouses (add units for bars or eating facilities) | 1 |