Code of Colorado Regulations
1000 - Department of Public Health and Environment
1002 - Water Quality Control Commission (1002 Series)
5 CCR 1002-84 - REGULATION NO. 84 - RECLAIMED WATER CONTROL REGULATION
Section 5 CCR 1002-84.7 - RECLAIMED WATER CATEGORIES AND STANDARDS
Current through Register Vol. 47, No. 17, September 10, 2024
(A) Category 1 Standards: Reclaimed water, for uses where Category 1 water is required, shall, at a minimum, receive secondary treatment with disinfection. The following reclaimed water standards shall apply at the point of compliance:
Parameter |
Limit |
E. coli /100 ml |
126/100 ml monthly geometric mean and 235/100 ml single sample maximum. |
Total Suspended Solids |
30 mg/L as a daily maximum. |
(B) Category 2 Standards: Reclaimed water, for uses where Category 2 water is required, shall, at a minimum, receive secondary treatment with filtration and disinfection. The following reclaimed water standards shall apply at the point of compliance:
Parameter |
Limit |
E. coli /100 ml |
126/100 ml monthly geometric mean and 235/100 ml single sample maximum. |
Turbidity, NTU |
Not to exceed 3 NTU as a monthly average and not to exceed 5 NTU in more than 5 percent of the individual analytical results during any calendar month. |
(C) Category 3 Standards: Reclaimed water for uses where Category 3 water is required shall, at a minimum, receive secondary treatment with filtration and disinfection. The following reclaimed water standards shall apply at the point of compliance:
Parameter |
Limit |
E. coli /100 ml |
None detected in at least 75% of samples in a calendar month and 126/100 ml single sample maximum. |
Turbidity, NTU |
Not to exceed 3 NTU as a monthly average and not to exceed 5 NTU in more than 5 percent of the individual analytical results during any calendar month. |