# 40 C.F.R. § 144.16 (2026): Waiver of requirement by Director

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T40_P144_S144_16

## Section

- **Citation:** 40 C.F.R. § 144.16 (2026)
- **Heading:** Waiver of requirement by Director
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Title 40 CFR: Protection of Environment / Chapter I / Part 144 / Subpart B / § 144.16: § 144.16   Waiver of requirement by Director.

## Text

(a) When injection does not occur into, through or above an underground source of drinking water, the Director may authorize a well or project with less stringent requirements for area of review, construction, mechanical integrity, operation, monitoring, and reporting than required in 40 CFR part 146 or § 144.52 to the extent that the reduction in requirements will not result in an increased risk of movement of fluids into an underground source of drinking water. (b) When injection occurs through or above an underground source of drinking water, but the radius of endangering influence when computed under § 146.06(a) is smaller or equal to the radius of the well, the Director may authorize a well or project with less stringent requirements for operation, monitoring, and reporting than required in 40 CFR part 146 or § 144.52 to the extent that the reduction in requirements will not result in an increased risk of movement of fluids into an underground source of drinking water. (c) When reducing requirements under paragraph (a) or (b) of this section, the Director shall prepare a fact sheet under § 124.8 explaining the reasons for the action.

## Nearby sections

- [40 C.F.R. § 144.11 (2026) § 144.11   Prohibition of unauthorized injection.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P144_S144_11.md)
- [40 C.F.R. § 144.12 (2026) § 144.12   Prohibition of movement of fluid into underground sources of drinking water.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P144_S144_12.md)
- [40 C.F.R. § 144.13 (2026) § 144.13   Prohibition of Class IV wells.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P144_S144_13.md)
- [40 C.F.R. § 144.14 (2026) § 144.14   Requirements for wells injecting hazardous waste.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P144_S144_14.md)
- [40 C.F.R. § 144.15 (2026) § 144.15   Prohibition of non-experimental Class V wells for geologic sequestration.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P144_S144_15.md)
- [40 C.F.R. § 144.16 (2026) § 144.16   Waiver of requirement by Director.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P144_S144_16.md)
- [40 C.F.R. § 144.17 (2026) § 144.17   Records.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P144_S144_17.md)
- [40 C.F.R. § 144.18 (2026) § 144.18   Requirements for Class VI wells.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P144_S144_18.md)
- [40 C.F.R. § 144.19 (2026) § 144.19   Transitioning from Class II to Class VI.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P144_S144_19.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T40_P144_S144_16. Check the current official text before relying on it. Not legal advice.