40:25.0.1.1.4.1 | SUBPART A
| **Subpart A - General Provisions** | |

40:25.0.1.1.4.1.35.1 | SECTION 142.1
| 142.1 Applicability. | |

40:25.0.1.1.4.1.35.2 | SECTION 142.2
| 142.2 Definitions. | |

40:25.0.1.1.4.1.35.3 | SECTION 142.3
| 142.3 Scope. | |

40:25.0.1.1.4.1.35.4 | SECTION 142.4
| 142.4 State and local authority. | |

40:25.0.1.1.4.2 | SUBPART B
| **Subpart B - Primary Enforcement Responsibility** | |

40:25.0.1.1.4.2.35.1 | SECTION 142.10
| 142.10 Requirements for a determination of primary enforcement responsibility. | |

40:25.0.1.1.4.2.35.2 | SECTION 142.11
| 142.11 Initial determination of primary enforcement responsibility. | |

40:25.0.1.1.4.2.35.3 | SECTION 142.12
| 142.12 Revision of State programs. | |

40:25.0.1.1.4.2.35.4 | SECTION 142.13
| 142.13 Public hearing. | |

40:25.0.1.1.4.2.35.5 | SECTION 142.14
| 142.14 Records kept by States. | |

40:25.0.1.1.4.2.35.6 | SECTION 142.15
| 142.15 Reports by States. | |

40:25.0.1.1.4.2.35.7 | SECTION 142.16
| 142.16 Special primacy requirements. | |

40:25.0.1.1.4.2.35.8 | SECTION 142.17
| 142.17 Review of State programs and procedures for withdrawal of approved primacy programs. | |

40:25.0.1.1.4.2.35.9 | SECTION 142.18
| 142.18 EPA review of State monitoring determinations. | |

40:25.0.1.1.4.2.35.10 | SECTION 142.19
| 142.19 EPA review of State implementation of national primary drinking water regulations for lead and copper. | |

40:25.0.1.1.4.3 | SUBPART C
| **Subpart C - Review of State-Issued Variances and Exemptions** | |

40:25.0.1.1.4.3.35.1 | SECTION 142.20
| 142.20 State-issued variances and exemptions under Section 1415(a) and Section 1416 of the Act. | |

40:25.0.1.1.4.3.35.2 | SECTION 142.21
| 142.21 State consideration of a variance or exemption request. | |

40:25.0.1.1.4.3.35.3 | SECTION 142.22
| 142.22 Review of State variances, exemptions and schedules. | |

40:25.0.1.1.4.3.35.4 | SECTION 142.23
| 142.23 Notice to State. | |

40:25.0.1.1.4.3.35.5 | SECTION 142.24
| 142.24 Administrator's rescission. | |

40:25.0.1.1.4.4 | SUBPART D
| **Subpart D - Federal Enforcement** | |

40:25.0.1.1.4.4.35.1 | SECTION 142.30
| 142.30 Failure by State to assure enforcement. | |

40:25.0.1.1.4.4.35.2 | SECTION 142.31
| 142.31 [Reserved] | |

40:25.0.1.1.4.4.35.3 | SECTION 142.32
| 142.32 Petition for public hearing. | |

40:25.0.1.1.4.4.35.4 | SECTION 142.33
| 142.33 Public hearing. | |

40:25.0.1.1.4.4.35.5 | SECTION 142.34
| 142.34 Entry and inspection of public water systems. | |

40:25.0.1.1.4.5 | SUBPART E
| **Subpart E - Variances Issued by the Administrator Under Section 1415(a) of the Act** | |

40:25.0.1.1.4.5.35.1 | SECTION 142.40
| 142.40 Requirements for a variance. | |

40:25.0.1.1.4.5.35.2 | SECTION 142.41
| 142.41 Variance request. | |

40:25.0.1.1.4.5.35.3 | SECTION 142.42
| 142.42 Consideration of a variance request. | |

40:25.0.1.1.4.5.35.4 | SECTION 142.43
| 142.43 Disposition of a variance request. | |

40:25.0.1.1.4.5.35.5 | SECTION 142.44
| 142.44 Public hearings on variances and schedules. | |

40:25.0.1.1.4.5.35.6 | SECTION 142.45
| 142.45 Action after hearing. | |

40:25.0.1.1.4.5.35.7 | SECTION 142.46
| 142.46 Alternative treatment techniques. | |

40:25.0.1.1.4.6 | SUBPART F
| **Subpart F - Exemptions Issued by the Administrator** | |

40:25.0.1.1.4.6.35.1 | SECTION 142.50
| 142.50 Requirements for an exemption. | |

40:25.0.1.1.4.6.35.2 | SECTION 142.51
| 142.51 Exemption request. | |

40:25.0.1.1.4.6.35.3 | SECTION 142.52
| 142.52 Consideration of an exemption request. | |

40:25.0.1.1.4.6.35.4 | SECTION 142.53
| 142.53 Disposition of an exemption request. | |

40:25.0.1.1.4.6.35.5 | SECTION 142.54
| 142.54 Public hearings on exemption schedules. | |

40:25.0.1.1.4.6.35.6 | SECTION 142.55
| 142.55 Final schedule. | |

40:25.0.1.1.4.6.35.7 | SECTION 142.56
| 142.56 Extension of date for compliance. | |

40:25.0.1.1.4.6.35.8 | SECTION 142.57
| 142.57 Bottled water, point-of-use, and point-of-entry devices. | |

40:25.0.1.1.4.7 | SUBPART G
| **Subpart G - Identification of Best Technology, Treatment Techniques or Other Means Generally Available** | |

40:25.0.1.1.4.7.35.1 | SECTION 142.60
| 142.60 Variances from the maximum contaminant level for total trihalomethanes. | |

40:25.0.1.1.4.7.35.2 | SECTION 142.61
| 142.61 Variances from the maximum contaminant level for fluoride. | |

40:25.0.1.1.4.7.35.3 | SECTION 142.62
| 142.62 Variances and exemptions from the maximum contaminant levels for organic and inorganic chemicals. | |

40:25.0.1.1.4.7.35.4 | SECTION 142.63
| 142.63 Variances and exemptions from the maximum contaminant level for total coliforms. | |

40:25.0.1.1.4.7.35.5 | SECTION 142.64
| 142.64 Variances and exemptions from the requirements of part 141, subpart H - Filtration and Disinfection. | |

40:25.0.1.1.4.7.35.6 | SECTION 142.65
| 142.65 Variances and exemptions from the maximum contaminant levels for radionuclides. | |

40:25.0.1.1.4.8 | SUBPART H
| **Subpart H - Indian Tribes** | |

40:25.0.1.1.4.8.35.1 | SECTION 142.72
| 142.72 Requirements for Tribal eligibility. | |

40:25.0.1.1.4.8.35.2 | SECTION 142.76
| 142.76 Request by an Indian Tribe for a determination of eligibility. | |

40:25.0.1.1.4.8.35.3 | SECTION 142.78
| 142.78 Procedure for processing an Indian Tribe's application. | |

40:25.0.1.1.4.9 | SUBPART I
| **Subpart I - Administrator's Review of State Decisions that Implement Criteria Under Which Filtration Is Required** | |

40:25.0.1.1.4.9.35.1 | SECTION 142.80
| 142.80 Review procedures. | |

40:25.0.1.1.4.9.35.2 | SECTION 142.81
| 142.81 Notice to the State. | |

40:25.0.1.1.4.10 | SUBPART J
| **Subpart J [Reserved]** | |

40:25.0.1.1.4.11 | SUBPART K
| **Subpart K - Variances for Small System** | |

40:25.0.1.1.4.11.35 | SUBJGRP 35
| **General Provisions** | |

40:25.0.1.1.4.11.35.1 | SECTION 142.301
| 142.301 What is a small system variance | |

40:25.0.1.1.4.11.35.2 | SECTION 142.302
| 142.302 Who can issue a small system variance | |

40:25.0.1.1.4.11.35.3 | SECTION 142.303
| 142.303 Which size public water systems can receive a small system variance | |

40:25.0.1.1.4.11.35.4 | SECTION 142.304
| 142.304 For which of the regulatory requirements is a small system variance available | |

40:25.0.1.1.4.11.35.5 | SECTION 142.305
| 142.305 When can a small system variance be granted by a State | |

40:25.0.1.1.4.11.36 | SUBJGRP 36
| **Review of Small System Variance Application** | |

40:25.0.1.1.4.11.36.6 | SECTION 142.306
| 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 | |

40:25.0.1.1.4.11.36.7 | SECTION 142.307
| 142.307 What terms and conditions must be included in a small system variance | |

40:25.0.1.1.4.11.37 | SUBJGRP 37
| **Public Participation** | |

40:25.0.1.1.4.11.37.8 | SECTION 142.308
| 142.308 What public notice is required before a State or the Administrator proposes to issue a small system variance | |

40:25.0.1.1.4.11.37.9 | SECTION 142.309
| 142.309 What are the public meeting requirements associated with the proposal of a small system variance | |

40:25.0.1.1.4.11.37.10 | SECTION 142.310
| 142.310 How can a person served by the public water system obtain EPA review of a State proposed small system variance | |

40:25.0.1.1.4.11.38 | SUBJGRP 38
| **EPA Review And Approval of Small System Variances** | |

40:25.0.1.1.4.11.38.11 | SECTION 142.311
| 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 | |

40:25.0.1.1.4.11.38.12 | SECTION 142.312
| 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 | |

40:25.0.1.1.4.11.38.13 | SECTION 142.313
| 142.313 How will the Administrator review a State's program under this subpart | |