Electronic Code of Federal Regulations
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e-CFR data is current as of January 14, 2021 |
Title 40 → Chapter I → Subchapter D → Part 141 → Subpart U → §141.604 |
Title 40: Protection of Environment
PART 141—NATIONAL PRIMARY DRINKING WATER REGULATIONS
Subpart U—Initial Distribution System Evaluations
§141.604 Very small system waivers.
(a) If you serve fewer than 500 people and you have taken TTHM and HAA5 samples under subpart L of this part, you are not required to comply with this subpart unless the State notifies you that you must conduct standard monitoring under §141.601 or a system specific study under §141.602.
(b) If you have not taken TTHM and HAA5 samples under subpart L of this part or if the State notifies you that you must comply with this subpart, you must conduct standard monitoring under §141.601 or a system specific study under §141.602.