Section 179-25-003 - GENERAL REQUIREMENTS003.01 Applicability 1. Wholesale systems must comply with the requirements of this chapter based on the population of the largest system in the combined distribution system.2. The requirements of this chapter for filtered systems apply to systems required by Title 179 to provide filtration treatment, whether or not the system is currently operating a filtration system.3. The requirements of this chapter for unfiltered systems apply only to unfiltered systems that timely met and continue to meet the filtration avoidance criteria in 179 NAC 13, 17, and 19, as applicable.003.02 Requirements Systems that began any of the following activities under 40 CFR 141 Subpart W before [the effective date of these regulations] must continue to comply with these activities under 179 NAC 25. Systems subject to this chapter must comply with the following requirements:
1. Systems must conduct a round of source water monitoring for each plant that treats a surface water or GWUDI source. This monitoring may include sampling for Cryptosporidium, E. coli, and turbidity as described in 179 NAC 25-004 through 25-009, to determine what level, if any, of additional Cryptosporidium treatment they must provide.2. Systems that plan to make a significant change to their disinfection practice must develop disinfection profiles and calculate disinfection benchmarks, as described in 179 NAC 25-010 through 25-011.3. Filtered systems must determine their Cryptosporidium treatment bin classification as described in 179 NAC 25-012 and provide additional treatment for Cryptosporidium if required, as described in 179 NAC 25-013. All unfiltered systems must provide treatment for Cryptosporidium as described in 179 NAC 25-014. Filtered and unfiltered systems must implement Cryptosporidium treatment according to the schedule in 179 NAC 25-015.4. Systems with uncovered finished water storage facilities must comply with the requirements to cover the facility or treat the discharge from the facility as described in 179 NAC 25-016.5. Systems required to provide additional treatment for Cryptosporidium must implement microbial toolbox options that are designed and operated as described in 179 NAC 25-017 through 25-022.6. Systems must comply with the applicable recordkeeping and reporting requirements described in 179 NAC 25-023 through 25-024.7. Systems must address deficiencies identified in sanitary surveys performed by the Department as described in 179 NAC 25-025.179 Neb. Admin. Code, ch. 25, § 003