North Dakota Administrative Code › Title 33 - State Department of Health › Article 33-17 - Public Water Supply Systems › Chapter 33-17-01 - Public Water Supply Systems in North Dakota › Section 33-17-01-09 - Filtration and disinfection treatment sampling and monitoring requirements

Current through Supplement No. 393, July, 2024
1. Coverage. All subpart H systems shall
				conduct monitoring to determine compliance with the treatment technique
				requirements for filtration and disinfection.
2. Systems utilizing surface water sources.
				All subpart H systems that utilize surface water sources shall comply with the
				turbidity and residual disinfectant concentration sampling and monitoring
				requirements set forth under title 40, Code of Federal Regulations, part 141,
				subpart H. Those systems serving ten thousand or more persons shall also comply
				with the disinfection profiling and benchmarking requirements set forth under
				title 40, Code of Federal Regulations, part 141, subpart P. Beginning January
				1, 2002, those systems that serve ten thousand or more persons and provide
				conventional filtration treatment or direct filtration shall also comply with
				the individual filter sampling and monitoring requirements set forth under
				title 40, Code of Federal Regulations, part 141, subpart P. Those systems
				serving fewer than ten thousand persons shall also comply with the requirements
				set forth under title 40, Code of Federal Regulations, part 141, subpart T and
				the Federal Register volume 69, number 124, Tuesday, June 29, 2004, pages
				38850-38857.
3. Systems utilizing
				ground water sources under the direct influence of surface water. The following
				sampling and monitoring requirements apply to subpart H systems that utilize
				ground water sources deemed by the department to be under the direct influence
				of surface water:
a. All systems that provide
				filtration treatment shall comply with the turbidity and residual disinfectant
				concentration sampling and monitoring requirements set forth under title 40,
				Code of Federal Regulations, part 141, subpart H. Those systems serving ten
				thousand or more persons shall also comply with the disinfection profiling and
				benchmarking requirements set forth under title 40, Code of Federal
				Regulations, part 141, subpart P. Beginning January 1, 2002, those systems that
				serve ten thousand or more persons and provide conventional filtration
				treatment or direct filtration shall also comply with the individual filter
				sampling and monitoring requirements set forth under title 40, Code of Federal
				Regulations, part 141, subpart P. Those systems serving fewer than ten thousand
				persons shall also comply with the requirements set forth under title 40, Code
				of Federal Regulations, part 141, subpart T and the Federal Register volume 69,
				number 124, Tuesday, June 29, 2004, pages 38850-38857.
b. All systems that do not provide filtration
				treatment shall comply with the filtration avoidance criteria and applicable
				disinfection sampling and monitoring requirements set forth under title 40,
				Code of Federal Regulations, part 141, subpart H. Those systems serving ten
				thousand or more persons shall also comply with the disinfection profiling and
				benchmarking requirements and, beginning January 1, 2002, the filtration
				avoidance criteria set forth under title 40, Code of Federal Regulations, part
				141, subpart P. Those systems serving fewer than ten thousand persons shall
				also comply with the requirements set forth under title 40, Code of Federal
				Regulations, part 141, subpart T and the Federal Register volume 69, number
				124, Tuesday, June 29, 2004, pages 38850-38857.