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Regulations last checked for updates: Jan 12, 2026
Title 40 - Protection of Environment last revised: Dec 31, 2026
All Titles
Title 40
Chapter I
Part 142
Subpart K - Subpart K—Variances for Small System
GENERAL PROVISIONS
§ 142.301 - What is a small system variance?
§ 142.302 - Who can issue a small system variance?
§ 142.303 -
§ 142.304 - For which of the regulatory requirements is a small system variance available?
§ 142.305 - When can a small system variance be granted by a State?
REVIEW OF SMALL SYSTEM VARIANCE APPLICATION
§ 142.306 - What are the responsibilities of the public water system, State and the Administrator in ensuring that sufficient information is available and for evaluation of a small system variance application?
§ 142.307 - What terms and conditions must be included in a small system variance?
PUBLIC PARTICIPATION
§ 142.308 - What public notice is required before a State or the Administrator proposes to issue a small system variance?
§ 142.309 - What are the public meeting requirements associated with the proposal of a small system variance?
§ 142.310 - How can a person served by the public water system obtain EPA review of a State proposed small system variance?
EPA REVIEW AND APPROVAL OF SMALL SYSTEM VARIANCES
§ 142.311 - What procedures allow the Administrator to object to a proposed small system variance or overturn a granted small system variance for a public water system serving 3,300 or fewer persons?
§ 142.312 - What EPA action is necessary when a State proposes to grant a small system variance to a public water system serving a population of more than 3,300 and fewer than 10,000 persons?
§ 142.313 - How will the Administrator review a State's program under this subpart?
authority:
42 U.S.C. 300f
,
300g
,
300g
,
300g
,
300g
,
300g
,
300g
,
300j
,
300j
,
and
source:
41 FR 2918, Jan. 20, 1976, unless otherwise noted.
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