Group	Covered Systems1	Important Dates	
A	Non-residential properties with even addresses on (N-S) streets.	Round 2 notiﬁcations to be sent 3/2026 and due 12/2026	
B	Non-residential properties
with odd addresses on (N-S) streets.	Round 2 notiﬁcations to be sent 3/2027
and due December 2027	
C	Non-residential properties with even addresses on (E-W) streets	Round 2 notiﬁcations to be sent 3/2028
Round 2 recertiﬁcations due 12/2028	
D	Non-residential properties with odd addresses on (E-W) streets.	Round 2 notiﬁcations to be sent 3/2029
Round 2 recertiﬁcations due 12/2029	
E	POA, HOA, private roads,
multi-family residential.	Round 1 recertiﬁcations due 12/2025
Round 2 notiﬁcations to be sent 3/2030
Round 2 recertiﬁcations due 12/2030	

1st round of recertiﬁcations for Groups A, B, C and D are past due

1SWM recertiﬁcation group may be adjusted by CSID at request of owner to preserve 5-year intervals between recertiﬁcations

Important Dates

6/2019	SWM recertiﬁcations due for Non-Residential Properties with even
addresses on North South streets (Group A).	
6/2022	SWM recertiﬁcations due for Non-Residential Properties with odd	
	addresses on North South streets (Group B).	
7/2022	SWM recertiﬁcation notices distributed for Non-residential properties with	
	even addresses on (E-W) streets (Group C)	
12/2022	SWM recertiﬁcations due for Non-residential properties with even	
	addresses on (E-W) streets (Group C)	
12/2024	Notiﬁcation letters for SWM recertiﬁcations for non-residential properties	
	with odd addresses on E-W streets to be distributed (Group D)	
6/2025	SWM recertiﬁcations due for non-residential properties with odd addresses	
	on E-W streets (Group D)	
6/2025	SWM recertiﬁcation notices to be distributed for POA, HOA, private roads,
multi-family residential (Group E)	
12/2025	SWM recertiﬁcations due for POA, HOA, private roads, and multifamily (Group E)	
1/2026	SWM recert notices for Group A, round 2 to be sent	
12/2026	SWM recertiﬁcations for Group A due	
1/2027	SWM recert notices for Group B, round 2 to be sent	
12/2027	SWM recertiﬁcations for Group B due	
1/2028	SWM recert notices for Group C, round 2 to be sent	
12/2028	SWM recertiﬁcations for Group C due