309 
TABLE 4-4 
TOTAL COST OF THE OPTIONS FOR POTWS AND INDUSTRY 
( Millions of 1981 dollars) 
(Based on a total of 1,839 POTWs) 
ANNUAL 
POTW COST INDUSTRY COST 
PRE= TOTAL ANNUAL 
OPTION DEVELOPMENT ANNUAL TREATMENT SLUDGE COST 
l.a Existing Program 35-91 51-101 1,292 485 1, 829-1, 878 
1.b. l.a. with waiver 16-55 23-46 594 223 841-864* 
2-a Existing Program, 
Reduced Scope 35-91 51-101 725 252 1,027-1,077 
2.b. 2.a. with waiver 16-55 23-46 334 116 472-495* 
3.a. Tech-Based Limits . 
: for POTW 35-91 51-101 <1, 292 <485 <1,829-1, 878 
3.b. 3.a. with waiver 16-55 23-46 <594 <223 <841-864* 
4. Water Quality 
Limits for POTW 16-55 23-46 >594 >223 >841-864* 
So Local Program for 
Documented Problems# 16=55 23-46 <594 <223 <841-864* 
6. Guidance Onlyf# 0-55 0-46 0=594 0-223 0-864* 
# Assumed to be limited to the cost of the federal backup. Actually, the costs 
could be higher depending on the local programs. 
#@ The extent of local action in the absence of a federal backup is not known. 
While the range reflects a maximum cost equivalent to the existing program 
with waivers (l.b.), the cost could be higher depending on local action. 
* Assumes no ambient toxic pollutant levels. 
