Letter of Map Change (LOMC) Batch Files are downloadable as zip files and contain all new Letters of Map Amendment (LOMAs), Letters of Map Revision (LOMRs), Revalidation Letters and Summaries of Map Action (SOMAs) issued during a week. Additionally, Batch Files include indices to help manage the content. The files are typically posted within 2 weeks of the end of the Issue Date window.

To learn more about LOMCs, please see the following webpages:

• Letter of Map Change
• Change a Flood Determination
• MSC Frequently Asked Questions

Date Range of File	File Size	Download
10/16/2016 - 10/22/2016	137MB
10/09/2016 - 10/15/2016	91MB
10/02/2016 - 10/08/2016	177MB
09/25/2016 - 10/01/2016	186MB
09/18/2016 - 09/24/2016	127MB
09/11/2016 - 09/17/2016	96MB
09/04/2016 - 09/10/2016	187MB
08/28/2016 - 09/03/2016	89MB
08/21/2016 - 08/27/2016	108MB
08/14/2016 - 08/20/2016	113MB
08/07/2016 - 08/13/2016	82MB
07/31/2016 - 08/06/2016	117MB
07/24/2016 - 07/30/2016	105MB
07/17/2016 - 07/23/2016	108MB
07/10/2016 - 07/16/2016	69MB
07/03/2016 - 07/09/2016	118MB
06/26/2016 - 07/02/2016	101MB
06/19/2016 - 06/25/2016	104MB
06/12/2016 - 06/18/2016	157MB
06/05/2016 - 06/11/2016	73MB
05/29/2016 - 06/04/2016	85MB
05/22/2016 - 05/28/2016	111MB
05/15/2016 - 05/21/2016	96MB
05/08/2016 - 05/14/2016	103MB
05/01/2016 - 05/07/2016	225MB
04/24/2016 - 04/30/2016	131MB
04/17/2016 - 04/23/2016	86MB
04/10/2016 - 04/16/2016	122MB
04/03/2016 - 04/09/2016	124MB
03/27/2016 - 04/02/2016	101MB
03/20/2016 - 03/26/2016	114MB
03/13/2016 - 03/19/2016	213MB
03/06/2016 - 03/12/2016	88MB
02/28/2016 - 03/05/2016	98MB
02/21/2016 - 02/27/2016	109MB
02/14/2016 - 02/20/2016	93MB
02/07/2016 - 02/13/2016	107MB
01/31/2016 - 02/06/2016	89.2MB
01/24/2016 - 01/30/2016	79MB
01/17/2016 - 01/23/2016	75MB
01/10/2016 - 01/16/2016	174MB
01/03/2016 - 01/09/2016	79MB
12/27/2015 - 01/02/2016	64MB
12/20/2015 - 12/26/2015	87MB
12/13/2015 - 12/19/2015	109MB
12/06/2015 - 12/12/2015	196MB
11/29/2015 - 12/05/2015	99MB
11/22/2015 - 11/28/2015	92MB
11/15/2015 - 11/21/2015	141MB
11/08/2015 - 11/14/2015	81MB
11/01/2015 - 11/07/2015	110MB
10/25/2015 - 10/31/2015	163MB
10/18/2015 - 10/24/2015	130MB
10/11/2015 - 10/17/2015	57MB
10/01/2015 - 10/10/2015	71MB
09/27/2015 - 10/03/2015	114MB
09/20/2015 - 09/26/2015	186MB
09/13/2015 - 09/19/2015	119MB
09/06/2015 - 09/12/2015	64.2MB
08/30/2015 - 09/05/2015	79MB
08/23/2015 - 08/29/2015	86MB
08/16/2015 - 08/22/2015	76.3MB
08/09/2015 - 08/15/2015	77.2MB
08/02/2015 - 08/08/2015	54MB
07/26/2015 - 08/01/2015	95.8MB
07/19/2015 - 07/25/2015	97MB
07/12/2015 - 07/18/2015	97MB
07/05/2015 - 07/11/2015	74MB
06/28/2015 - 07/04/2015	64MB
06/21/2015 - 06/27/2015	127MB
06/14/2015 - 06/20/2015	63.6
06/07/2015 - 06/13/2015	59.5MB
05/31/2015 - 06/06/2015	110MB
05/24/2015 - 05/30/2015	123MB
05/17/2015 - 05/23/2015	171MB
05/10/2015 - 05/16/2015	113MB
05/03/2015 - 05/09/2015	48MB
04/26/2015 - 05/02/2015	75MB
04/19/2015 - 04/25/2015	123MB
04/12/2015 - 04/18/2015	138MB
04/05/2015 - 04/11/2015	258MB
03/29/2015 - 04/04/2015	148MB
03/22/2015 - 03/28/2015	182MB
03/14/2015 - 03/20/2015	132MB
03/07/2015 - 03/13/2015	192MB
02/28/2015 - 03/06/2015	251MB
02/21/2015 - 02/27/2015	237MB
02/14/2015 - 02/20/2015	59MB
02/07/2015 - 02/13/2015	235MB
01/31/2015 - 02/06/2015	167MB
01/24/2015 - 01/30/2015	42.9MB
01/17/2015 - 01/23/2015	108.7MB
01/10/2015 - 01/16/2015	103.6MB
01/03/2015 - 01/09/2015	167.74MB
12/27/2014 - 01/02/2015	183.74MB
12/20/2014 - 12/26/2014	98.40MB
12/13/2014 - 12/19/2014	176.48MB
12/06/2014 - 12/12/2014	247.67MB
11/29/2014 - 12/05/2014	263.72MB
11/22/2014 - 11/28/2014	133.53MB
11/15/2014 - 11/21/2014	162.1MB
11/08/2014 - 11/14/2014	117.46MB
11/01/2014 - 11/07/2014	124.46MB
10/25/2014 - 10/31/2014	111.18MB
10/18/2014 - 10/24/2014	225.92MB
10/11/2014 - 10/17/2014	272.35MB
10/04/2014 - 10/10/2014	173.75MB
09/27/2014 - 10/03/2014	245.40MB
09/20/2014 - 09/26/2014	171.13MB
09/13/2014 - 09/19/2014	136.83MB
09/06/2014 - 09/12/2014	115.90MB
08/30/2014 - 09/05/2014	105.85MB
08/23/2014 - 08/29/2014	185.73MB
08/16/2014 - 08/22/2014	141.87MB
08/09/2014 - 08/15/2014	153.9MB
08/02/2014 - 08/08/2014	198.01MB
07/26/2014 - 08/01/2014	123.9MB
07/19/2014 - 07/25/2014	143.2MB
07/12/2014 - 07/18/2014	130.1MB
07/05/2014 - 07/11/2014	107.78MB
06/28/2014 - 07/04/2014	100.97MB
06/21/2014 - 06/27/2014	88.3MB
06/14/2014 - 06/20/2014	113.48MB
06/07/2014 - 06/13/2014	252.34MB
05/31/2014 - 06/06/2014	210.59MB
05/24/2014 - 05/30/2014	94.04MB
05/17/2014 - 05/23/2014	135.85MB
05/10/2014 - 05/16/2014	124.94MB
05/03/2014 - 05/09/2014	141.01MB
04/26/2014 - 05/02/2014	192.64MB
04/19/2014 - 04/25/2014	118.40MB
04/12/2014 - 04/18/2014	215.15MB
04/05/2014 - 04/11/2014	221.40MB
03/28/2014 - 04/04/2014	137
03/22/2014 - 03/28/2014	152.02
03/15/2014 - 03/21/2014	102.81
03/08/2014 - 03/14/2014	124.92
03/01/2014 - 03/07/2014	123.45
02/22/2014 - 02/28/2014	196.05
02/15/2014 - 02/21/2014	268.85MB
02/08/2014 - 02/14/2014	234.08MB
02/01/2014 - 02/07/2014	146.12MB
01/25/2014 - 01/31/2014	135.57MB
01/18/2014 - 01/24/2014	91.60MB
01/11/2014 - 01/17/2014	134.81MB
01/04/2014 - 01/10/2014	97.26MB
12/28/2013 - 01/03/2014	141.45MB
12/21/2013 - 12/27/2013	279.73MB
12/14/2013 - 12/20/2013	95.21MB
12/07/2013 - 12/13/2013	129.21MB
11/30/2013 - 12/06/2013	111.30MB
11/23/2013 - 11/29/2013	104.02MB
11/16/2013 - 11/22/2013	245.61MB
11/09/2013 - 11/15/2013	88.86MB
11/02/2013 - 11/08/2013	109.96MB
10/26/2013 - 11/01/2013	193.67MB
10/19/2013 - 10/25/2013	381.54MB
10/12/2013 - 10/18/2013	91.85MB
10/05/2013 - 10/11/2013	144.93MB
09/28/2013 - 10/04/2013	82.40MB
09/21/2013 - 09/27/2013	270.88MB
09/14/2013 - 09/20/2013	379.0MB
09/07/2013 - 09/13/2013	126.8MB
08/31/2013 - 09/06/2013	47.9MB
08/24/2013 - 08/30/2013	161.6MB
08/17/2013 - 08/23/2013	118.1MB
08/10/2013 - 08/16/2013	114.8MB
08/03/2013 - 08/09/2013	61.2MB
07/27/2013 - 08/02/2013	96.2MB
07/20/2013 - 07/26/2013	119MB
07/13/2013 - 07/19/2013	81.9MB
07/06/2013 - 07/12/2013	64.8MB
06/29/2013 - 07/05/2013	51.0MB
06/22/2013 - 06/28/2013	127MB
06/15/2013 - 06/21/2013	127MB
06/08/2013 - 06/14/2013	123.3MB
06/01/2013 - 06/07/2013	56.1MB
05/16/2013 - 05/31/2013	228MB
05/01/2013 - 05/15/2013	335MB