West Virginia Code of State Rules › Agency 64 - Health › Title 64 - LEGISLATIVE RULE WEST VIRGINIA DEPARTMENT OF HEALTH AND HUMAN RESOURCES › Series 64-47 - Sewage Treatment and Collection System Design Standards › Table 64-47B - MINIMUM DESIGN LOADINGS FOR SEWAGE TREATMENT FACILITIES

Current through Register Vol. XLI, No. 28, July 12, 2024
Facility Description
Unit Sewage (gpd)
Unit Five-Day BOD (lbs/day)
Airports
Each employee
Each passenger
15
5
.05
.02
Assembly halls
Per seat
2
.02
Bowling alleys (no food service)
Per alley
Per alley with bar
75
225
.13
Churches
Per member with kitchen
Per member without kitchen
5
2
.02
.01
Clinics
Per staff
Per patient
20
5
.03
.02
Country clubs
Per member (non-resident)
Per member (resident)
25
70
.05
.17
Domestic sewage
Residences (per resident -a-)
New collection system
Summer cottages, etc., per resident Apartment
							 houses--one bedroom
--two
--three
70
50
140
210
280
.17*
.17
.34
.51
.60
Factories (per worker)
Heavy with cafÉ and shower
Light with cafÉ
Light with shower
Light
35
25
25
20
.04
.02
.02
.02
Hospitals
Each patient (bedside)
Each resident staff
Each non-resident staff
300
100
20
.34
.17
.02
Hotels, boarding houses
(Exclusive of restaurants, bars)
per guest
50
.15
Industrial park (sanitary waste only)
Per developable acre
500
.84
Institutions
Per resident
70
.17
Laundry (coin operated)
Per machine
400
1.34
Labor camps
Per person
50
Mine bath houses
Per worker
15
.03
Mobile homes
Per mobile home
280
.68
Motels (exclusive or restaurant or bar)
Per unit
80
.15
Nursing and rest homes
Per resident
Per resident staff
150
70
.26
.17
Offices and warehouses
Per workers, no food service
Add for food service, per worker
20
5
.03
.01
Recreation
Parks, picnic areas, and beach areas
Campground, per person
Amphitheater, per person
Historical site, per person
Lodges, per person
Park residences, per person
Park washhouse, per person
10
25
5
5
70
70
30
.02
.05
.01
.01
.17
.17
.05
Restaurants
24-hour service, per seat
Ordinary, not 24-hour service, per seat
Curb service (drive-in), per car space
Fast food (single service), per seat
50
30
50
25
.17
.10
.17
.06
Schools
Elementary, each staff or student
High school, each staff or student
Boarding school
8
10
70
.02
.03
.17
Service stations
Ordinary, not 24-hour service
24-hour service
500
1000
.80
1.60
Shopping mall per 100 sq.ft.
15
.03
Shopping center Based on individual store
							 occupancy
Swimming pools
Per swimmer
Add for shower facilities, per swimmer
5
2
.01
.01
Taverns and bars, little or no food service
Per seat
20
.04
Theaters
Drive-in, per car space
Movie, per seat
4
2
.008
.004
Travel Trailer Park (b)
No water to site, per person
Water to site, per person
35
50
.075
.10
Disco/Dance Halls, per seat
5
.01
Beauty parlors/barber shops
Per chair
Per operator
150
20
.50
.02
Dentist
Per chair
Per staff
200
20
.10
.02
Doctor
Per patient
Per staff
5
20
.01
.02
(a) Assume four persons per residence
(b) Assume three persons per travel trailer
							 site
*See subsections 5.1.d.3., 5.1.d.4., 5.1.d.5.
(NOTE 1: These factors do not apply to the design of
							 municipal sewage systems. Refer to subsection 6.1. for design loadings for
							 municipal sewage systems.)
(NOTE 2: If proposed facilities are not listed in the
							 table above, and average daily water usage data is available, a peaking factor
							 of 2.5 shall be required.)
(NOTE 3: Five-Day BOD, BOD5 or
							 BOD5 is the scientific method used to accurately measure dissolved oxygen
							 consumption, by comparison of dissolved oxygen in a sample at the beginning and
							 at the end of a five-day period.)