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

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.

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.

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.