| #Q001 | administrative | health | mandatory | Compliance with SDWA programs | drinking water | Drinking water utilities that meet the definition of a public water system are responsible for meeting the requirements of EPA and state drinking water programs under the Safe Drinking Water Act (SDWA). | Applies to drinking water utilities that meet the definition of a public water system | high |
| #Q002 | monitoring | health | mandatory | Source water assessment | drinking water | SDWA also required states and utilities to assess their source water | | high |
| #Q003 | administrative | operational | guidance | Source water protection funding allocation | drinking water | States may choose to fund source water protection through optional set-asides from the Drinking Water State Revolving Fund capitalization grant distributed by EPA. | | high |
| #Q004 | administrative | unknown | mandatory | Sole Source Aquifer project review | drinking water | EPA reviews proposed projects that are located within the review area and receive federal financial assistance. | Applies to proposed projects located within the review area of a designated sole source aquifer that receive federal financial assistance | medium |
| #Q005 | monitoring | health | mandatory | Daily Turbidity Sampling | wastewater | Collect at least one turbidity sample per day, from each discharge point, on any day there is a dewatering discharge. | Sites discharging dewatering water to a sediment-impaired water or to a water designated as a Tier 2, Tier 2.5, or Tier 3 | high |
| #Q006 | reporting | reporting | mandatory | Quarterly Turbidity Reporting | wastewater | Report all weekly average turbidity monitoring results on a quarterly basis via NeT-CGP no later than 30 days following the end of each monitoring quarter. | | high |
| #Q007 | corrective_action | treatment | mandatory | Exceedance Corrective Action | wastewater | If the weekly average exceeds the benchmark, take follow-up corrective action in accordance with CGP Part 5.2.2. | When weekly average turbidity monitoring results exceed 50 NTU (or alternate benchmark) | high |
| #Q008 | administrative | operational | mandatory | Alternate Benchmark Request Submission | wastewater | To request approval of an alternate benchmark threshold, the operator must submit to EPA: 1. the current turbidity water quality standard that applies to the receiving water and a citation to the applicable State or Tribal water quality standard document, and 2. if the applicable turbidity water quality standard is determined by the natural or background turbidity levels in the waterbody, include available, representative data on natural turbidity levels in the receiving water and the source of the data. | If operator seeks to use an alternate benchmark instead of the standard 50 NTU | high |
| #Q009 | administrative | operational | mandatory | SWPPP Coordination Documentation | wastewater | Such coordinating arrangements must be described in the SWPPP consistent with CGP Part 7.2.8. | Where there are multiple operators associated with the same site coordinating monitoring requirements | high |
| #Q010 | reporting | reporting | mandatory | Corrective Action Log Documentation | wastewater | document any corrective action taken in your corrective action log in accordance with CGP Part 5.4. | If the weekly average of turbidity monitoring results exceeds the benchmark | high |
| #Q011 | reporting | reporting | mandatory | No-Discharge Reporting Requirement | wastewater | Operators are required to indicate in the turbidity monitoring report if there are monitoring weeks in which there was no dewatering discharge, or if there is a monitoring quarter with no dewatering discharge. | | high |
| #Q012 | reporting | reporting | mandatory | Reporting of Representative Monitoring | wastewater | Operators must also indicate in the turbidity monitoring report if another operator associated with the same site is conducting turbidity monitoring on behalf of the permittee pursuant to CGP Part 3.3. | When monitoring is conducted by another operator on behalf of the permittee | high |
| #Q013 | administrative | reporting | mandatory | Electronic Reporting via NeT | wastewater | Use EPA’s NPDES eReporting Tool (NeT) to electronically submit quarterly turbidity data, unless, consistent with CGP Part 1.4.2, the operator receives a waiver from the applicable EPA Regional Office. | Standard submission method unless waiver is granted | high |
| #Q014 | administrative | reporting | mandatory | Paper Reporting Form Usage | wastewater | If the EPA Regional Office grants approval to use a paper turbidity monitoring report form, the operator must use the form in CGP Appendix K. | Only when electronic reporting waiver is granted | high |
| #Q015 | monitoring | reporting | mandatory | Daily Monitoring Recordkeeping | wastewater | For each day in which the operator is required to monitor, they must record the monitoring information required by CGP Appendix G, Parts G.10.2 and G.10.3. | | high |
| #Q016 | administrative | reporting | mandatory | Record Retention Duration | wastewater | retain all such information for a period of at least three years from the date this permit expires or from the date authorization is terminated. | | high |
| #Q017 | reporting | reporting | mandatory | Reporting Deadlines | wastewater | Submit reports of weekly average turbidity results to EPA by: April 30 (Q1), July 30 (Q2), October 30 (Q3), and January 30 (Q4). | No later than 30 days after end of the monitoring quarter | high |
| #Q018 | administrative | operational | mandatory | MS4 SWMP Development and Implementation | wastewater | Owners/operators of regulated municipal separate storm sewer systems (MS4s) are required to develop, implement, and enforce a stormwater management program (SWMP). | Applies to owners/operators of regulated MS4s | high |
| #Q019 | operational | operational | mandatory | Construction Site Runoff Control Program | wastewater | Include a program in your SWMP to reduce pollutants in stormwater runoff to your MS4 from construction activities that disturb ≥ 1 acre of land. | Construction activities disturbing ≥ 1 acre of land | high |
| #Q020 | operational | operational | mandatory | Illicit Discharge Detection and Elimination Program | wastewater | Include a program in your SWMP to detect and eliminate illicit discharges to your system. | | high |
| #Q021 | operational | operational | mandatory | Pollution Prevention/Good Housekeeping Program | wastewater | Include a program to prevent or reduce pollutant runoff from municipal operations into the storm sewer system. | Applies to municipal operations | high |
| #Q022 | operational | operational | mandatory | Post-Construction Runoff Control Program | wastewater | Include a program to reduce pollutants from new development and redevelopment projects that disturb ≥ 1 acre of land. | New development and redevelopment projects disturbing ≥ 1 acre of land | high |
| #Q023 | operational | operational | mandatory | Public Education and Outreach Program | wastewater | Implement a public education program on the impacts of stormwater that includes steps to reduce pollutants in stormwater runoff. | | high |
| #Q024 | operational | operational | mandatory | Program Effectiveness Measurable Goals | wastewater | Provide measurable goals in your SWMP so you can evaluate the program’s effectiveness and make adjustments as necessary. | | high |
| #Q025 | reporting | reporting | mandatory | SWMP Progress Reporting | wastewater | As part of the program, compile a report on program progress that includes things like the status of compliance with permit conditions, results of any information collected and analyzed, summaries of planned stormwater activities, and any changes that have been made. | | high |
| #Q026 | administrative | operational | mandatory | TMDL Addressing Process | wastewater | Include a process in your SWMP for addressing the TMDL if necessary. | If the storm drain system discharges to an impaired water body or a water body with an approved Total Maximum Daily Load (TMDL) | high |
| #Q027 | design | health | mandatory | Underground Injection Control Minimum Requirements | drinking water | The Underground Injection Control program protects underground sources of drinking water from endangerment by setting minimum requirements for injection wells. | Applies to owners and operators of injection wells | high |
| #Q028 | reporting | reporting | mandatory | CSO Public Notification Requirements | wastewater | The requirements address signage, initial notification of local public health departments and other potentially affected entities, initial notification of the public, annual notice provisions, and development of a public notification plan. | Combined sewer discharges (CSOs) to the Great Lakes | high |
| #Q029 | reporting | reporting | mandatory | Mandatory Electronic Reporting | wastewater | It requires permittees and regulators to use existing, available information technology to electronically report information and data related to the NPDES permit program in lieu of filing paper-based reports. | | high |
| #Q030 | monitoring | treatment | mandatory | Sufficiently Sensitive Test Methods | wastewater | only "sufficiently sensitive" analytical test methods may can be used when completing an NPDES permit application and when performing sampling and analysis pursuant to monitoring requirements in an NPDES permit. | When completing an NPDES permit application or performing sampling and analysis pursuant to monitoring requirements | high |
| #Q031 | treatment | operational | mandatory | Cooling Water Intake Mortality Reduction | aquatic life | The facilities are required to choose one of seven options to reduce mortality to fish and other aquatic organisms. | Existing facilities designed to withdraw at least 2 million gallons per day of cooling water | high |
| #Q032 | monitoring | operational | mandatory | High-Volume Intake Control Studies | aquatic life | Facilities that withdraw at least 125 million gallons per day must conduct studies to help their permitting authority determine whether and what site-specific controls, if any, would be required to further reduce mortality of aquatic organisms. | Facilities that withdraw at least 125 million gallons per day | high |
| #Q033 | treatment | operational | mandatory | New Cooling Water Unit Entrainment Standards | aquatic life | New units added to an existing facility are required to reduce mortality of aquatic organisms that achieves one of two alternatives under national entrainment standards. | New units added to an existing facility | high |
| #Q034 | administrative | reporting | mandatory | EPA establishment of Great Lakes CSO notification requirements | wastewater | The January 8, 2018, rule implements Section 425 of the Consolidated Appropriations Act of 2016, which requires EPA to work with the Great Lakes States to establish public notification requirements for combined sewer discharges (CSOs) to the Great Lakes. | Applies to the EPA's mandate to establish requirements for CSOs to the Great Lakes | high |