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Document ID us-ciwus-2025-11-17 Title Current Implementation of Waters of the United States URL https://www.epa.gov/wotus/current-implementation-waters-united-states Jurisdiction /us Subdomain(s) none Language Status completed Analyzed at 2026-05-12 04:37:35.414495+00:00 Relevance inventory_targeted_fetch

Q Qualitative Requirements (13)

Req ID Category Intent Legal Status Name Subdomain(s) Context Conditions Confidence
#Q001administrativeoperationalmandatoryAJD Validity PeriodotherUnder existing Corps’ policy, AJDs are generally valid for five years unless new information warrants revision prior to the expiration date.unless new information warrants revision prior to the expiration datehigh
#Q002administrativeoperationalmandatoryGoverning Definition for AJDsotherAs a general matter, the agencies’ actions are governed by the definition of "waters of the United States" that is in effect at the time the Corps completes an AJD, not by the date of the request for an AJD.high
#Q003administrativeoperationalmandatoryFinalization of Post-Memorandum AJDsotherAJDs completed after signature of the joint agency memorandum on continuous surface connection will be finalized consistent with that guidance.Applies to AJDs completed after signature of the joint agency memorandum on continuous surface connectionhigh
#Q004administrativeoperationalmandatoryReopening of NWPR AJDsotherAJDs completed under the 2020 Navigable Waters Protection Rule (NWPR) prior to the U.S. District Court for the District of Arizona’s decision in Pascua Yaqui Tribe v. U.S. Environmental Protection Agency to vacate the 2020 NWPR (D. Ariz. August 30, 2021) and not associated with a permit action (also known as "stand-alone" AJDs under RGL 16-01) will not be reopened until their expiration date, unless one of the criteria for revision is met under RGL 05-02.unless one of the criteria for revision is met under RGL 05-02high
#Q005administrativeoperationalmandatoryReopening of 2023 or pre-2015 AJDsotherAJDs completed under the January 2023 Rule, the Amended 2023 Rule, or the pre-2015 regime and not associated with a permit action will also not be reopened until their expiration date, unless one of the criteria for revision is met under RGL 05-02.unless one of the criteria for revision is met under RGL 05-02high
#Q006administrativeoperationalmandatoryRecipient Request for New AJDotherPreviously issued AJDs that have not expired could also be reopened if the recipient of such an AJD requests that a new AJD be provided pursuant to the current regulatory regime (i.e. , the January 2023 Rule, as amended by the conforming rule announced on August 29, 2023, or the pre-2015 regulatory regime implemented consistent with Sackett). In these cases, the Corps will honor such requests.if the recipient of such an AJD requests that a new AJD be provided pursuant to the current regulatory regimehigh
#Q007administrativeoperationalguidanceModification of Corps Permit DecisionsotherCorps permit decisions may be modified, suspended, or revoked per 33 C.F.R. § 325.7 where the regulatory criteria are met.where the regulatory criteria are methigh
#Q008administrativeoperationalmandatoryReconsideration of Permit Decisions Relying on NWPR AJDotherPermit decisions made prior to the Arizona court's decision that relied on a NWPR AJD will not be reconsidered in response to the NWPR vacatur.high
#Q009administrativeoperationalmandatoryNon-reliance on NWPR AJD for New PermitsotherHowever, due to the vacatur, the Corps will not rely on a NWPR AJD in making a new permit decision.high
#Q010administrativeoperationalmandatoryPermit Options Discussion for Pending NWPR AJDsotherTherefore, for any currently pending permit action that relies on a NWPR AJD, or for any future permit application received that intends to rely on a NWPR AJD for purposes of permit processing, the Corps will discuss with the applicant, as detailed in RGL 16-01, whether the applicant would like to receive a new AJD completed under the current regulatory regime to continue their permit processing or whether the applicant would like to proceed in reliance on a preliminary JD or no JD whatsoever.for any currently pending permit action that relies on a NWPR AJD, or for any future permit application received that intends to rely on a NWPR AJDhigh
#Q011administrativeoperationalmandatoryReconsideration of Permit Decisions Relying on 2023 or Pre-2015 AJDsotherPermit decisions that relied on an AJD completed under the January 2023 Rule or the pre-2015 regulatory regime will also not be reconsidered.high
#Q012administrativeoperationalguidanceReliance on Pre-March 2025 AJDsotherThe Corps may rely on an AJD completed prior to the the March 12, 2025 joint agency memorandum on continuous surface connection and issued under the January 2023 Rule, the Amended 2023 Rule, or the pre-2015 regulatory regime to support pending or new permit decisions where the requestor wishes to do so.where the requestor wishes to do sohigh
#Q013administrativeoperationalmandatoryPermit Options Discussion for Pre-March 2025 AJDsotherHowever, in these circumstances, the Corps will discuss with the applicant, as detailed in RGL 16-01, whether the applicant would like to receive a new AJD completed under the current regulatory regime to continue their permit processing or whether the applicant would like to proceed in reliance on the existing AJD, a preliminary JD, or no JD whatsoever.in circumstances where the requestor wishes the Corps to rely on an AJD completed prior to the March 12, 2025 joint agency memorandumhigh

P Quantitative Requirements (4)

Req ID Category Intent Legal Status Name Subdomain(s) Limit Type Limit Value Context Conditions Confidence
#R001operationaloperationalguidanceApproved Jurisdictional Determination (AJD) Validity Periodotherrequirement5 yearsUnder existing Corps’ policy, AJDs are generally valid for five years unless new information warrants revision prior to the expiration date.unless new information warrants revision prior to the expiration datehigh
#R002operationalreportingguidanceRecommendations Docket Feedback Periodotherrequirement30 daysThe agencies also announced a Federal Register notice publicizing a series of six listening sessions and a 30-day recommendations docket to solicit feedback on key aspects of the definition of 'waters of the United States.'high
#R003operationalreportingmandatoryWOTUS Proposed Rule Comment Periodotherrequirement45 daysOn November 20, 2025, the proposed rule Updated Definition of "Waters of the United States" published in the Federal Register (FR). The 45-day comment period will close on 5 January 2026.Applies to the proposed rule Updated Definition of "Waters of the United States" published on November 20, 2025high
#R004operationalreportingmandatoryClean Water Act Water Quality Assessment Reporting Frequencydrinking water, wastewater, agricultural water, aquatic life, recreational waterrequirement2 yearsThe Clean Water Act requires states, territories and authorized tribes (states for brevity) to monitor water pollution and report to EPA every two years on the waters they have evaluated.Applies to states, territories, and authorized tribes reporting to EPA.high

D Definitions (6)

Req ID Category Name Context Confidence
#D001NPDWRsNPDWRs (or primary standards) are legally enforceable standards that apply to public water systems.medium
#D002NSDWRsNSDWRs (or secondary standards) are non-enforceable guidelines regulating contaminants that may cause cosmetic effects (such as skin or tooth discoloration) or aesthetic effects (such as taste, odor, or color) in drinking water.medium
#D003MCLsMaximum Contaminant Levelshigh
#D004CCLDrinking Water Contaminant Candidate Listhigh
#D005NPDWRNational Primary Drinking Water Regulationshigh
#D006SDWASafe Drinking Water Acthigh