Colorado River Basin Board Orders – Year 1981

These Board Orders have been adopted by the Colorado River Basin Regional Water Quality Control Board.

Board Order No.:
81-1	81-2	81-3	81-4	81-5
81-6	81-7	81-8	81-9	81-10
81-11	81-12	81-13	81-14	81-15
81-16	81-17	81-18	81-19	81-20
81-21	81-22	81-23	81-24	81-25
81-26	81-27	81-28	81-29	81-30
81-31	81-32	81-33	81-34	81-35
81-36	81-37	81-38	81-39	81-40
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Board Order No.:
81-41	81-42	81-43	81-44	81-45
81-46	81-47	81-48	81-49	81-50
81-51	81-52	81-53	81-54	81-55
81-56	81-57	81-58	81-59	81-60
81-61	81-62	81-63	81-64	81-65
81-66	81-67	81-68	81-69	81-70
81-71	81-72	81-73	81-74	81-75
81-76	81-77	81-78	81-79	81-80
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Board Order No.:
81-81	81-82	81-83	81-84	81-85
81-86	81-87	81-88	81-89	81-90
81-91	81-92	81-93	81-94	81-95
81-96	81-97	81-98	81-99	81-100
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(Updated 11/1/19)