Table V-9. Chesapeake Bay Program segments and tidal water designated uses where attainment of the instantaneous minimum, 1-day 
mean and 7-day mean dissolved oxygen criteria can be assessed using 30-day mean data or dissolved oxygen criteria 
attainment assessment may require collection and evaluation of data of higher frequency than 30-day means. 
59 
S3 
*o 
S3 
-a 
ZJ 
S3 ■= 
•2 ©x 
La •“ 
ZJ — 
■Z t 
-day mean 
Deep- 
Channel 
X 
X 
E 
3 
E 
s 
E 
3 
O 
© •— 
= §• 
© La 
s X 
^ 2 
■o E 
, -w 
i— = 
data than 30 
Deep- 
Water 
X 
X 
X 
© 
C 
S3 
3 
S3 
C/i 
s 
§ i 
E ^ 
frequency 
Open- 
Water 
X 
X 
X 
X 
S3 
■a 
£ 
« 3 
■f 3 
g ^ 
ZJ 3 
— S3 
.2 © 
La 3 
Deep- 
Channel 
X 
X 
E 
*E 
i 
3 
© 
© 
© 3 
J- S3 
W -a 
3 ® 
s ^ 
3 Zt 
3 3 
5 3 
' "3 
r~- u 
<*> 
3 z 
S3 © 
OJ 
c 1/5 
3 S3 
Deep- 
Water 
X 
X 
X 
X 
S3 
-w 
3 
S3 
3 
Open- 
Water 
X 
X 
X 
X 
X 
X 
X 
X 
X 
X 
X 
X 
X 
X 
X 
X 
X 
X 
X 
r- 
■h* 
3 
ZJ 
E 
ZJ 
C/5 
Segmei 
Code 
CB1TF 
CB20II 
CB3MH 
CB4MH 
CB5MH 
CB6PH 
CB7PH 
CB8PH 
BSHOH 
GUNOH 
MIDOH 
BACOH 
PATMH 
MAGMH 
SEVMH 
SOUMH 
RHDMH 
WSTMH 
PAXTF 
WBRTF 
PAXOH 
PAXMH 
POTTF 
E 
S3 
La 
tx 
© 
La 
0. 
S3 
oa 
© 
S3 
© 
a 
S3 
© 
-= 
u 
Segment Name 
Northern Chesapeake Bay 
Upper Chesapeake Bay 
Upper Central Chesapeake Bay 
Middle Central Chesapeake Bay 
Lower Central Chesapeake Bay 
Western Lower Chesapeake Bay 
Eastern Lower Chesapeake Bay 
Mouth of the Chesapeake Bay 
Bush River 
Gunpowder River 
Middle River 
Back River 
Patapsco River 
Magothy River 
Severn River 
South River 
Rhode River 
West River 
Upper Patuxent River 
Western Branch Patuxent River 
Middle Patuxent River 
Lower Patuxent 
Upper Potomac River 
chapter v 
Guidance for Attainment Assessment of Instantaneous Minimum and 7-Day Mean Dissolved Oxygen Criteria 
continued 
