City of Hartford

Connecticut Stormwater Quality Manual (city follows CT DEEP 2024 Manual)

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Capital / municipal coverage via CT Stormwater Quality Manual 2024. Pipeline excerpt repair removed 1 unlocated citation(s).

Fields not found in document: document_metadata.relationship_to_state_manual

Other manuals in Connecticut: City of Bridgeport, City of New Haven, City of Stamford, Connecticut, Connecticut

Document Metadata

Jurisdiction level

City

No evidence cited

State

Connecticut

No evidence cited

Version / edition

2024 Edition

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Adoption / effective date

2024-03-30

No evidence cited

Last revised date

2024-03-26

No evidence cited

Relationship to state manual

Not found in document

No evidence cited

Design Criteria

Design storm return periods (years)

2-year, 10-year, 100-year

No evidence cited

Water quality volume method

WQV = (P)(R)(A)/12 where P = 1.3 inches (90th percentile rainfall event), R = 0.05 + 0.009(I).

“𝑊𝑊𝑊𝑊𝑊𝑊 = (𝑃𝑃)(𝑅𝑅)(𝐴𝐴) 12 where: WQV = water quality volume (cubic feet) P = 1.3 inches (90th percentile rainfall event) R = volumetric runoff coefficient = 0.05+0.009( I) I = post- development impervious area (percent) after application of non-structural LID site p”
p. 53

Peak flow calculation method(s)

NRCS Curve Number method, TR-20, Rational Formula

No evidence cited

Hydrologic/hydraulic software

WinTR-55, HydroCAD, TR-20

No evidence cited

Approved BMP categories

Pretreatment BMPs, Infiltration BMPs, Filtering BMPs, Stormwater Pond BMPs, Stormwater Wetland BMPs, Water Quality Conveyance BMPs, Stormwater Reuse BMPs, Proprietary BMPs

No evidence cited