NPDES State Program Authority
A state may receive authorization for one or more of the NPDES program components. The table below shows the status of state authorizations to date.
- NPDES Program Authorizations -- A color-coded map showing the status of NPDES programs in states and territories.
State | Authorized State NPDES Permit Program | Authorized to Regulate Federal Facilities | Authorized State Pretreatment Program | Authorized General Permits Program | Authorized Biosolids (Sludge) Program |
---|---|---|---|---|---|
10/19/1979 |
10/19/79 |
10/19/79 |
06/26/91 |
||
10/31/2008 |
10/31/08 |
10/31/08 |
10/31/08 |
||
12/05/2002 |
12/05/02 |
12/05/02 |
12/05/02 |
04/01/2004 |
|
11/01/1986 |
11/01/86 |
11/01/86 |
11/01/86 |
||
05/14/1973 |
05/05/78 |
09/22/89 |
09/22/89 |
||
03/27/1975 |
03/04/82 |
||||
09/26/1973 |
01/09/89 |
06/03/81 |
03/10/92 |
||
04/01/1974 |
10/23/92 |
||||
05/01/1995 |
05/01/00 |
05/01/95 |
05/01/95 |
||
06/28/1974 |
12/08/80 |
03/12/81 |
01/28/91 |
||
11/28/1974 |
06/01/79 |
08/12/83 |
09/30/91 |
||
6/5/2018 (Authority for POTW permits transferred on 7/1/2018. Authority for industrial and domestic permits will transfer on 7/1/2019.) |
6/5/2018 (Authority transfers on 7/1/2021.) |
6/5/2018 (Authority transferred on 7/1/2018.) |
6/5/2018 (Authority for sector-specific general permits transfers on 7/1/2020. Authority for all stormwater permits transfers on 7/1/2021.) |
6/5/2018 (Authority transfers on 7/1/2021.) |
|
10/23/1977 |
09/20/79 |
01/04/84 |
|||
01/01/1975 |
12/09/78 |
04/02/91 |
|||
08/10/1978 |
08/10/78 |
06/03/81 |
08/12/92 |
||
Johnston Atoll |
|||||
06/28/1974 |
08/28/85 |
11/24/93 |
|||
09/30/1983 |
09/30/83 |
09/30/83 |
09/30/83 |
||
08/27/1996 |
08/27/96 |
08/27/96 |
08/27/96 |
||
01/12/2001 |
01/12/01 |
01/12/01 |
01/12/01 |
||
09/05/1974 |
11/10/87 |
09/30/85 |
09/30/91 |
||
10/17/1973 |
12/09/78 |
06/07/83 |
11/29/93 |
09/28/2006 |
|
Midway Island |
|||||
06/30/1974 |
12/09/78 |
07/16/79 |
12/15/87 |
||
05/01/1974 |
01/28/83 |
05/13/82 |
09/27/91 |
||
10/30/1974 |
06/26/79 |
06/03/81 |
12/12/85 |
||
06/10/1974 |
06/23/81 |
04/29/83 |
|||
06/12/1974 |
11/02/79 |
09/07/84 |
07/20/89 |
||
09/19/1975 |
08/31/78 |
07/27/92 |
|||
04/13/1982 |
04/13/82 |
04/13/82 |
04/13/82 |
||
10/28/1975 |
06/13/80 |
10/15/92 |
|||
10/19/1975 |
09/28/84 |
06/14/82 |
09/06/91 |
||
06/13/1975 |
01/22/90 |
09/16/05 |
01/22/90 |
||
Northern Mariana Islands |
|||||
03/11/1974 |
01/28/83 |
07/27/83 |
08/17/92 |
03/16/2005 |
|
11/19/1996 |
11/19/96 |
11/19/96 |
09/11/97 |
11/19/96 |
|
09/26/1973 |
03/02/79 |
03/12/81 |
02/23/82 |
||
06/30/1978 |
06/30/78 |
08/02/91 |
|||
09/17/1984 |
09/17/84 |
09/17/84 |
09/17/84 |
||
06/10/1975 |
09/26/80 |
04/09/82 |
09/03/92 |
||
12/30/1993 |
12/30/93 |
12/30/93 |
12/30/93 |
10/22/2001 |
|
12/28/1977 |
09/30/86 |
08/10/83 |
04/18/91 |
||
09/14/1998 |
09/14/98 |
09/14/98 |
09/14/98 |
09/14/98 |
|
07/07/1987 |
07/07/87 |
07/07/87 |
07/07/87 |
06/14/96 |
|
03/11/1974 |
03/16/82 |
08/26/93 |
|||
Virgin Islands |
06/30/1976 |
12/26/07 |
12/26/07 |
||
03/31/1975 |
02/09/82 |
04/14/89 |
04/20/91 |
||
Wake Island |
|||||
11/14/1973 |
09/30/86 |
09/26/89 |
|||
05/10/1982 |
05/10/82 |
05/10/82 |
05/10/82 |
||
02/04/1974 |
11/26/79 |
12/24/80 |
12/19/86 |
07/28/2000 |
|
01/30/1975 |
05/18/81 |
09/24/91 |
*Oklahoma and Texas: Partial Program - Not authorized to issue permits for activities associated with the exploration, development, or production of oil or gas or geothermal resources, including transportation of crude oil or natural gas by pipeline. EPA is the permitting authority for those activities since they are not within the jurisdictions of the approved state agencies in Texas and Oklahoma, respectively.