Ohio Administrative Code › Title 3745 - Ohio Environmental Protection Agency › Chapter 3745-1 - Water Quality Standards › Section 3745-1-31 - Lake Erie standards

Current through all regulations passed and filed
			 through July 1, 2024
(A)
			 Lake Erie is designated exceptional warmwater habitat, superior high quality
			 water, public water supply, agricultural water supply, industrial water supply
			 and bathing waters, and will meet the criteria set forth in, or derived in
			 accordance with, rules
			 3745-1-01 to
			 3745-1-07 and
			 3745-1-33 to
			 3745-1-43 of the Administrative
			 Code. However, criteria set forth in this rule supersede the rules listed in
			 this paragraph where applicable. These criteria apply outside the mixing
			 zone.
(B)
								Water
			 temperature in lake Erie shall not:
(1)
									Fluctuate as a result of human activity that
			 causes
			 mortality, long-term avoidance or exclusion from habitat, or adversely affect
			 the reproductive success of representative aquatic species.
(2)
									Exceed the
			 average or daily maximum temperatures indicated in paragraphs (A) and (B) of
			 table 31-1 of this rule.
(3)
									Exceed at any time
			 the daily maximum temperatures indicated in paragraph (C) of table 31-1 of this
			 rule in hypolimnetic waters.
Table 31-1. Temperature criteria.
(A) Lake Erie western basin - includes the
			 area of lake Erie west of a line drawn from Pelee point, Canada to Scott point
			 on Catawba island. Shown as degrees Fahrenheit and (Celsius).
Jan. 1-31
Feb. 1-29
Mar. 1-15
Mar. 16-31
Apr. 1-15
Apr. 16-30
May 1-15
May 16-31
June 1-15
Average:
-
-
-
-
-
53 (11.7)
59 (15.0)
65 (18.3)
75 (23.9)
Daily Maximum:
35 (1.7)
38 (3.3)
39 (3.9)
45 (7.2)
51 (10.6)
56 (13.3)
64 (17.8)
72 (22.2)
78 (25.6)
June 16-30
July 1-31
Aug. 1-31
Sept. 1-15
Sept. 16-30
Oct. 1-15
Oct. 16-31
Nov. 1-30
Dec. 1-31
Average:
80 (26.7)
83 (28.3)
83 (28.3)
78 (25.6)
76 (24.4)
66 (18.9)
60 (15.6)
53 (11.7)
-
Daily Maximum:
83 (28.3)
85 (29.4)
85 (29.4)
83 (28.3)
81 (27.2)
71 (21.7)
65 (18.3)
58 (14.4)
46 (7.8)
(B)
			 Lake Erie central basin - includes the area of lake Erie east of a line drawn
			 from Pelee point, Canada to Scott point on Catawba island to the
			 Pennsylvania-Ohio state line. Shown as degrees Fahrenheit and (Celsius).
Jan.
1-31
Feb. 1-29
Mar. 1-15
Mar. 16-31
Apr. 1-15
Apr. 16-30
May 1-15
May 16-31
June 1-15
Average:
-
-
-
-
43 (6.1)
53 (11.7)
59 (15.0)
63 (17.2)
75 (23.9)
Daily Maximum:
35 (1.7)
38 (3.3)
39 (3.9)
45 (7.2)
48 (8.9)
56 (13.3)
63 (17.2)
72 (22.2)
78 (25.6)
June 16-30
July 1-31
Aug. 1-31
Sept. 1-15
Sept. 16-30
Oct. 1-15
Oct. 16-31
Nov. 1-30
Dec. 1-31
Average:
80 (26.7)
83 (28.3)
83 (28.3)
76 (24.4)
71
(21.7)
66 (18.9)
58 (14.4)
48 (8.9)
-
Daily Maximum:
83 (28.3)
85 (29.4)
85 (29.4)
81 (27.2)
76 (24.4)
71
(21.7)
63 (17.2)
53 (11.7)
46 (7.8)
(C)
			 Seasonal daily maximum temperature limitations for the hypolimnetic regions of
			 lake Erie. Shown as degrees Fahrenheit and (Celsius).
Month
Daily Maximum
January
44 (6.7)
February
44 (6.7)
March
44 (6.7)
April
47 (8.3)
May
51 (10.6)
June
54 (12.2)
July
59 (15.0)
August
59 (15.0)
September
55 (12.8)
October
46 (7.8)
November
41 (5.0)
December
38 (3.3)