Nebraska Administrative Code › Topic - HEALTH AND HUMAN SERVICES SYSTEM › Title 179 - PUBLIC WATER SYSTEMS › Chapter 16 - DISINFECTANTS AND DISINFECTION BYPRODUCTS › Section 179-16-007 - REPORTING AND RECORDKEEPING REQUIREMENTS

Current through June 17, 2024
007.01 Systems
				required to sample quarterly or more frequently must report to the Department
				within 10 days after the end of each monitoring period in which samples were
				collected. Systems required to sample less frequently than quarterly must
				report to the Department within 10 days after the end of each monitoring period
				in which samples were collected.
007.02 Disinfection Byproducts
Systems must report the information specified in the
				  following table:
If You Are a . . .
You Must Report . .
								.1
System monitoring for TTHMs and HAA5 under the
								requirements of 179 NAC 16-005.02 on a quarterly or more frequent basis.
(1) The number of samples taken during the last
								quarter.
(2) The location, date, and result of each sample
								taken during the last quarter.
(3) The arithmetic average of all samples taken in
								the last quarter.
(4) The annual arithmetic average of the quarterly
								arithmetic averages of this section for the last four quarters.
(5) Whether, based on 179 NAC 16-006.02 item 1, the
								MCL was violated.
System monitoring for TTHMs and HAA5 under the
								requirements of 179 NAC 16-005.02 less frequently than quarterly (but at least
								annually).
(1) The number of samples taken during the last
								year.
(2) The location, date, and result of each sample
								taken during the last monitoring period.
(3) The arithmetic average of all samples taken
								over the last year.
(4) Whether, based on 179 NAC 16-006.02 item 1, the
								MCL was violated.
System monitoring for TTHMs and HAA5 under the
								requirements of 179 NAC 16-005.02 less frequently than annually.
(1) The location, date, and result of each sample
								taken.
(2) Whether, based on 179 NAC 16-006.02 item 1, the
								MCL was violated.
System monitoring for chlorite under the
								requirements of 179 NAC 16-005.02.
(1) The number of entry point samples taken each
								month for the last 3 months.
(2) The location, date, and result of each sample
								(both entry point and distribution system) taken during the last
								quarter.
(3) For each month in the reporting period, the
								arithmetic average of all samples taken in each three sample set taken in the
								distribution system.
(4) Whether, based on 179 NAC 16-006.02 item 3,
								the MCL was violated, in which month, and how many times it was violated each
								month.
System monitoring for bromate under the
								requirements of 179 NAC 16-005.02.
(1) The number of samples taken during the last
								quarter.
(2) The location, date, and result of each sample
								taken during the last quarter.
(3) The arithmetic average of the monthly
								arithmetic averages of all samples taken in the last year.
(4) Whether, based on 179 NAC 16-006.02 item 2, the
								MCL was violated.
1 The Department may choose to
				  perform calculations and determine whether the MCL was exceeded, in lieu of
				  having the system report that information.
007.03 Disinfectants
Systems must report the information specified in the
				  following table:
If You Are a . . .
You Must Report . .
								.1
System monitoring for chlorine or chloramines under
								the requirements of 179 NAC 16-005.03.
(1) The number of samples taken during each month
								of the last quarter.
(2) The monthly arithmetic average of all samples
								taken in each month for the last 12 months.
(3) The arithmetic average of all monthly averages
								for the last 12 months.
(4) Whether, based on 179 NAC 16-006.03 item 1, the
								MRDL was violated.
System monitoring for chlorine dioxide under the
								requirements of 179 NAC 16-005.03.
(1) The dates, results, and locations of samples
								taken during the last quarter.
(2) Whether, based on 179 NAC 16-006.03 item 2, the
								MRDL was violated.
(3) Whether the MRDL was exceeded in any two
								consecutive daily samples and whether the resulting violation was acute or
								nonacute.
1 The Department may choose to
				  perform calculations and determine whether the MRDL was exceeded, in lieu of
				  having the system report that information.
007.04 Disinfection Byproduct Precursors and
				Enhanced Coagulation or Enhanced Softening:
Systems must report the information specified in the
				  following table:
If You Are a . . .
You Must Report . .
								.1
System monitoring monthly or quarterly for TOC
								under the requirements of 179 NAC 16-005.04 and required to meet the enhanced
								coagulation or enhanced softening requirements in 179 NAC 16-008.02B or
								16-008.02C.
(1) The number of paired (source water and treated
								water) samples taken during the last quarter.
(2) The location, date, and results of each paired
								sample and associated alkalinity taken during the last quarter.
(3) For each month in the reporting period that
								paired samples were taken, the arithmetic average of the percent reduction of
								TOC for each paired sample and the required TOC percent removal.
(4) Calculations for determining compliance with
								the TOC percent removal requirements, as provided in 179 NAC
								16-008.03A.
(5) Whether the system is in compliance with the
								enhanced coagulation or enhanced softening percent removal requirements in 179
								NAC
								16-008.02 for the last four
								quarters.
System monitoring monthly or quarterly for TOC
								under the requirements of 179 NAC 16-005.04 and meeting one or more of the
								alternative compliance criteria in 179 NAC
								16-008.01B or
								16-008.01C.
(1) The alternative compliance criterion that the
								system is using.
(2) The number of paired samples taken during the
								last quarter.
(3) The location, date, and result of each paired
								sample and associated alkalinity taken during the last quarter.
(4) The running annual arithmetic average based on
								monthly averages (or quarterly samples) of source water TOC for systems meeting
								a criterion in 179 NAC
								16-008.01B, item
								1 or 3, or of treated water TOC for systems meeting the criterion in 179 NAC
								16-008.01B, item
								2.
(5) The running annual arithmetic average based on
								monthly averages (or quarterly samples) of source water SUVA for systems
								meeting the criterion in 179 NAC
								16-008.01B, item
								5, or of treated water SUVA for systems meeting the criterion in 179 NAC
								16-008.01B, item
								6.
(6) The running annual average of source water
								alkalinity for systems meeting the criterion in 179 NAC
								16-008.01B, item
								3 and of treated water alkalinity for systems meeting the criterion in 179 NAC
								16-008.01B, item
								1.
(7) The running annual average for both TTHMs and
								HAA5 for systems meeting the criterion in 179 NAC
								16-008.01B, item
								3 or 4.
(8) The running annual average of the amount of
								magnesium hardness removal (as CaCO3, in mg/L) for
								systems meeting the criterion in 179 NAC
								16-008.01B, item
								2.
(9) Whether the system is in compliance with the
								particular alternative compliance criterion in 179 NAC
								16-008.01B or
								16-008.01C.
1The Department may choose to
				  perform calculations and determine whether the treatment technique was met, in
				  lieu of having the system report that information.