Annual Report

Attach a notification of any annexations, incorporations or jurisdictional boundary changes resulting in an increase or decrease in the Permittee’s geographic area of permit coverage during the reporting period per S9.D.6.

Not Applicable

Attach updated annual Stormwater Management Program Plan (SWMP Plan). (S5.A.1)

Tacoma Stormwater Management P_2_03252024075554

Implemented an ongoing program to gather, track, and maintain information per S5.A.3, including costs or estimated costs of developing and implementing the SWMP per S5.A.2?

Yes

Maintained mapping data for the features listed in S5.C.2.a?

Yes

Collected outfall size and material in accordance with S5.C.2.b.i (Required to begin no later than January 1, 2020)?

Yes

Attach a spreadsheet that lists the known outfalls’ size and material(s). (Begin reporting March 31, 2021)

Q.5a_Tacoma_2023Outfalls_5a_03072024131647

Completed mapping of known connections from the MS4 to a privately owned stormwater system S5.C.2.b.ii? (Required no later than August 1, 2023)

Yes

Counties only: Mapped conveyances as described in S.5.C.2.a.v for 50% of areas outside the urban/higher density rural sub-basins, as described in S.5.C.2.b.iii? (Required by December 31, 2023)

Not Applicable

Implemented coordination mechanisms clarifying roles and responsibilities for control of pollutants between physically interconnected MS4s per S5.C.3.b.i?

Yes

Coordinated stormwater management activities for shared waterbodies among Permittees and Secondary Permittees, as necessary to avoid conflicting plans, policies and regulations? (S5.C.3.b.ii)

Yes

Describe in Comments field opportunities created for the public, including overburdened communities, to participate in the decision making processes involving the development, implementation and updates of the SWMP and SMAP (SMAP applies to Counties). (S5.C.4.a)

The SWMP is advertised to the public on the City of Tacoma website, Stormwater Management Program - City of Tacoma, through community events, City social media posts, and the environews listserv. For 2024, Tacoma staff delivered a stormwater survey at multiple community events throughout the months of February and early March. Over 50 survey takers were engaged and provided with information on how to access the entire SWMP Plan and were encouraged to review the SWMP Plan and comment. The general public has the opportunity to provide comments on the draft SWMP Plan via email to swnpdespermits@cityoftacoma.org. Comments are accepted year-round but must be received by 5 PM on March 22, 2024, to be considered for the 2024 version of the SWMP Plan.

Posted the updated SWMP Plan and latest annual report on your website no later than May 31? (S5.C.4.b)

Yes

NOTE website address in Comments field.

https://www.cityoftacoma.org/cms/one.aspx?pageId=19495

Number of adjustments granted to the minimum requirements in Appendix 1? (S5.C.5.b.i, and Section 5 of Appendix 1)

0

Number of exceptions/variances granted to the minimum requirements in Appendix 1? (S5.C.5.b.i, and Section 6 of Appendix 1)

0

Reviewed Stormwater Site Plans per S5.C.5.b.vi.(a).

Yes

Number of stormwater site plans reviewed during the reporting period?

154

Inspected, prior to clearing and construction, permitted development sites per S5.C.5.b.vi.(b)?

Yes

Inspected permitted development sites during construction to verify proper installation and maintenance of required erosion and sediment controls per S5.C.5.b.vi.(c)?

Yes

Inspected stormwater treatment and flow control BMPs/facilities and catch basins in new residential developments every 6 months per S5.C.5.b.vi.(d)?

Yes

Inspected permitted development sites upon completion of construction and prior to final approval or occupancy to ensure proper installation of stormwater facilities per S5.C.5.b.vi(e)?

Yes

Verified that a maintenance plan is completed and responsibility for maintenance is assigned for stormwater treatment and flow control BMPs/facilities prior to final approval and occupancy being granted? (S5.C.5.b.vi(e))

Yes

Number of enforcement actions taken during the reporting period (based on construction phase inspections at new development and redevelopment projects)? (S5.C.5.b.vi(b)- (e))

36

Achieved at least 80% of scheduled construction-related inspections? (S5.C.5.b.vi.(e))

Yes

Made Ecology’s Notice of Intent for Construction Activity and Notice of Intent for Industrial Activity available to representatives of proposed new development and redevelopment? (S5.C.5.b.vii)

Yes

Does the long-range plan identify a lack of facilities and the potential impacts of existing or new development to those areas and receiving waters?

Yes

Continue to design and implement local development-related codes, rules, standards, or other enforceable documents to minimize impervious surfaces, native vegetation loss, and stormwater runoff, where feasible? See S5.C.6.c.i. (Required annually)

Yes

From the assessment described in S5.C.6.c.i.(a), did you identify any administrative or regulatory barriers to implementation of LID Principles or LID BMPs.

No

Counties Only: Did you describe in your SWMP how the watershed-scale stormwater plans (developed in the 2013-2018 Permit) are being used to inform S5.C.7 project prioritization and selection? (S.5.C.6.d.i)

Not Applicable

Counties Only: Developed a Stormwater Management Action Plan pursuant to S.5.C.6.d.ii? (Required no later than December 31, 2022.)

Not Applicable

Counties Only: If choosing to prepare a SMAP for a catchment area in an alternative watershed, have you submitted your watershed inventory as outlined in S5.C.6.d.iii? (Submitted by March 31, 2022)

Not Applicable

Counties Only: If choosing to prepare a SMAP for a catchment area in an alternative watershed, have you developed a receiving water prioritization method and process as described in S5.C.6.d.iv? (Required by June 30, 2022)

Not Applicable

Counties Only: If choosing to prepare a SMAP for a catchment area in an alternative watershed, have you developed a Stormwater Management Action Plan (SMAP) for at least one high-priority area? (S5.C.6.d.v – Required by December 31, 2022)

Not Applicable

Submitted a list of planned, individual projects scheduled for implementation during this permit term with the information and formatting specified in Appendix 12? (S5.C.7.c)

Yes

Attach an updated list annually. (S5.C.7.c)

SSC Project Master List_43a_03072024140544

Did you achieve the required retrofit incentive points as required in S.5.C.7.d? (Required by December 31, 2022.)

Yes

Updated inventory to identify commercial and industrial properties which have the potential to generate pollutants to the Permittee’s MS4 per S5.C.8.b.ii? (Required once every five years.)

Yes

Number of total sites identified for inventory?

1693

Attach a summary of actions taken to implement the source control program per S5.C.8.b.iii and S5.C.8.b.iv.

Q46 2023 Annual Report_46_03072024140841

Attach a list of inspections, per S5.C.8.b.iii, organized by the business category, noting the amount of times each business was inspected, and if enforcement actions were taken.

Q47 2023 _47_03072024140841

Implemented an ongoing source control training program per S5.C.8.b.v?

Yes

Continued to implement the regulatory mechanisms to effectively prohibit illicit discharges into the MS4 per S5.C.9.b

Yes

Implemented procedures for conducting illicit discharge investigations in accordance with S5.C.9.b?

Yes

Cite field screening methodology used in the Comments field.

In 2023, the City used two field screening methodologies to meet the goal of screening an average of 12% of the conveyance system each year. Each screening method is outlined in the Illicit Connection and Illicit Discharge Field Screening and Source Tracing Guidance Manual, May 2020 (IC-ID). 1) Video inspection 2) Base flow sampling – Base flow sampling was completed at selected outfalls For the 2023 Permit reporting year, the City followed the guidance of the IC-ID updated May 7th, 2020 manual. Screening methodologies were not changed but updated to include additional primary screening indicators for outfall base flow sampling.

Provide the percentage of conveyance systems screened in reporting year per S5.C.9.c.i(a). (Required to screen 12% each year.)

35

Cite field screening techniques used to determine percent of MS4 screened.

Tacoma's percentage of MS4 screened is calculated using the linear feet of conveyance system screened compared to the total linear feet of conveyance system.

Percentage of total MS4 screened from permit effective date through the end of the reporting year?

99

How is your hotline telephone number being publicized?

The City of Tacoma “hotline”, TacomaFIRST 311 has been in the process of transitioning to SeeClickFix. However, until that transition is complete Tacoma residents can continue to utilize TacomaFIRST 311 via telephone, via website and through a mobile app. Residents can dial 311 within Tacoma city limits or (253) 591-5000 from anywhere else. Residents can utilize TacomaFIRST 311 online resources to access more than 700 answers to commonly asked City-related questions, direct questions to City departments, and submit and track more than 70 types of requests for City services, including stormwater and receiving water pollution concerns. TacomaFIRST 311 is widely advertised each year throughout the City by the following methods: • On a variety of handouts available at City service locations and at various outreach events that the City attends. Field staff also hand out information on the TacomaFIRST 311 service. • On the City’s social media platforms (Facebook and Instagram) and on the City’s website.TacomaFIRST311 has its own page on the City’s website. https://www.cityoftacoma.org/tacomafirst311 • Utility bill inserts. • TVTacoma and the biweekly Tacoma Report. • EnviroTalk, a publication distributed three times per year and distributed to over 54,000 single-family and duplex home residents throughout the City. • In each watershed on signage located on the main road entering and exiting each watershed throughout the City of Tacoma. The signs include the notice to “Report Spills and Dumping”. • When callers are placed on hold by City departments. • On City vehicles such as the “Call-2-Haul” trucks. • As part of the Illicit Discharge Detection and Elimination training course for City staff. • Featured in educational outreach videos presented on multiple media platforms such as YouTube, Facebook and for virtual events like Tacoma OceanFest. • As part of Adopt-A-Drain sign-up and welcome packet.

Implemented an ongoing illicit discharge training program for all municipal field staff per S5.C.9.c.iii?

Yes

Implemented an ongoing program to characterize, trace, and eliminate illicit discharges into the MS4 per S5.C.9.d?

Yes

Trained staff responsible for illicit discharge detection and elimination activities per S5.C.9.e?

Yes

Participated in a regional emergency response program, or implemented procedures to investigate and respond to spills and improper disposal? (S5.C.9.f)

Yes

Attach a report with data describing the actions taken to characterize, trace, and eliminate each illicit discharge reported to, or investigated by, the permittee as described in S5.C.9.g. The submittal must include all of the applicable information and must follow the format described in Appendix 14.

AnnualReport2023_CityOfTacomaW_58_03072024143824

Applied a maintenance standard for a facility or facilities which do not have maintenance standards specified in the Stormwater Management Manual for Western Washington? If so, note in the Comments field what kinds of facilities are covered by this alternative standard. (S5.C.10.a)

Contech Stormfilter, Filterra, MFS Media Filter, Silva Cell, CDS Swirl Separator, Energy Dissipator Manhole, Bayfilter, Oldcastle Biopod Units

Verified that maintenance was performed per the schedule in S5.C.10.a.ii when an inspection identified an exceedance of the maintenance standard.

Not Applicable

Evaluated and, if necessary, updated the existing ordinances or other enforceable documents requiring maintenance of all stormwater treatment and flow control BMPs/facilities (including catch basins that are part of the facilities) regulated by the Permittee. (S5.C.10.b.i)

Yes

Comment: "The City evaluated our existing enforceable documents and did not need to substantially update. The City adopted a code rewrite and clarification in July 2021 and this is now contained within TMC 12.08D."

If updated, cite ordinance or other enforceable document.

Not Applicable

Implemented an ongoing inspection program for stormwater treatment and flow control BMPs/facilities regulated by the Permittee per S5.C.10.b.ii.

Yes

If using reduced inspection frequency on stormwater treatment and flow control BMPs/facilities regulated by the Permittee for the first time during this permit cycle, attach documentation per S5.C.10.b.ii.

Not Applicable

Achieved at least 80% of inspections required per S5.C.10.b.ii and iii? (S5.C.10.b.iv)

Yes

Number of known municipally owned or operated stormwater treatment and flow control BMPs/facilities? (S5.C.10.c.i)

509

Number of municipally owned or operated stormwater treatment and flow control BMPs/facilities inspected during the reporting period? (S5.C.10.c.i)

504

Number of municipally owned or operated stormwater treatment and flow control BMPs/facilities for which maintenance was performed during the reporting period? (S5.C.10.c.i )

132

If using reduced inspection frequency for municipally owned or operated stormwater treatment and flow control BMPs/facilities for the first time during this permit cycle, attach documentation per S5.C.10.c.i.

Not Applicable

Conducted spot checks and inspections, if necessary, of potentially damaged stormwater treatment and flow control BMPs/facilities after major storm events? (S5.C.10.c.ii)

Not Applicable

Achieved at least 95% of required inspections per S5.C.10.c.iii?

Yes

Inspected municipally owned or operated catch basins and inlets every year or used an alternative approach? (S5.C.10.d.i)

Yes

Number of known catch basins?

20361

Number of catch basins inspected during the reporting period?

19283

Number of catch basins cleaned during the reporting period?

353

Attach documentation of alternative catch basin inspection approach, if used. (S5.C.10.d.i.(a)-(c))

Not Applicable

Achieved at least 95% of required catch basin inspections? (S5.C.10.d.iii)

Yes

Implemented practices, policies, and procedures to reduce stormwater impacts per S5.C.10.e?

Yes

Documented practices, policies, and procedures to reduce stormwater impacts per S5.C.10.e?

Yes

Cite documentation in the comments

Tacoma has implemented practices, policies, and procedures to reduce stormwater impacts associated with runoff from all lands owned or maintained by Tacoma and road maintenance activities under the functional control of the Permittee in compliance with S.5.c.10.e of The Phase I Municipal Stormwater Permit. These include implementing operational and structural best management practices (BMPs). BMPs are documented in Tacoma's Stormwater Management Manual Volume 3 Construction Site Stormwater Best Management Practices and Volume 6 Source Control Best Management Practices, Regional Road Maintenance Program ESA Guidelines for BMPs, and the City of Tacoma Utility Employee Stormwater Quality Best Management Practices Manual.

Implemented an ongoing training program per S5.C.10.f?

Yes

Implemented a Stormwater Pollution Prevention Plan for all heavy equipment maintenance or storage yards, and material storage facilities per S5.C.10.g?

Yes

Did you choose to adopt one or more elements of a regional program? (S5.C.11)

Yes

If yes, list the elements, and the regional program.

General awareness and behavior change elements as part of the PSSH digital media campaign and Dumpster Lid Behavior Change Campaign.

Attach description of public education and outreach general awareness efforts conducted, including your target audiences and subject areas, per S5.C.11.a.i.

City of Tacoma Dumpster Lid Be_78_03252024080210

Began implementing strategy outlined in S.5.C.11.a.iv. (Required by April 1, 2021 – S.5.C.11.a.v)

Yes

Attach the report developed in accordance with S5.C.11.a.vi, which evaluated the changes in understanding and adoption of targeted behaviors resulting from the implementation of the strategy and any planned or recommended changes to the program in order to be more effective. (Required to submit no later March 31, 2024)

Promoted stewardship opportunities (or partnered with others) to encourage resident participation in activities such as those described in S5.C.11.b?

Yes

Attach a list of stewardship opportunities promoted.

Q.83A_2023_Reporting_Year_Taco_83a_03132024140547

Complied with the Total Maximum Daily Load (TMDL)-specific requirements identified in Appendix 2? (S7.A)

Not Applicable

List any requirements that were not met.

Not Applicable

For TMDL listed in Appendix 2: attach a summary of relevant SWMP and Appendix 2 activities to address the applicable TMDL parameter(s). (S7.A)

Not Applicable

Submitted payment for cost-sharing for Stormwater Action Monitoring (SAM) status and trends monitoring no later than December 1, 2019 (S8.A.1); and no later than August 15 of each subsequent year? (S8.A.2.a)

Yes

Submitted payment for cost-sharing for SAM effectiveness and source identification studies no later than December 1, 2019 (S8.B.1); and no later than August 15 of each subsequent year? (S8.B.2.a or S8.B.2.c)

Not Applicable

If conducting stormwater discharge monitoring in accordance with S8.C.2, attach a data and analysis report per S8.C.2.d. and Appendix 9. (Due annually beginning March 31, 2021.)

2023 Source Control and Water_98_03272024161159

Notified Ecology in accordance with G3 of any discharge into or from the Permittee’s MS4 which could constitute a threat to human health, welfare or the environment? (G3)

Yes

Took appropriate action to correct or minimize the threat to human health, welfare, and/or the environment per G3.A?

Yes

Notified Ecology within 30 days of becoming aware that a discharge from the Permittee’s MS4 caused or contributed to a known or likely violation of water quality standards in the receiving water? (S4.F.1)

Yes

If requested, submitted an Adaptive Management Response report in accordance with S4.F.3.a?

Yes

Attach a summary of the status of implementation of any actions taken pursuant to S4.F.3 and the status of any monitoring, assessment, or evaluation efforts conducted during the reporting period? (S4.F.3.d)

Q102a_S4.F_Update_2023_Rprtng__102a_03252024080324

Notified Ecology of the failure to comply with the permit terms and conditions within 30 days of becoming aware of the non-compliance? (G20)

Not Applicable

Number of non-compliance notifications (G20) provided in reporting year? List permit conditions described in non-compliance notification(s) in Comments field.

Not Applicable