BOSTON HARBOR STP, Olympia, WA: NPDES WA0040291 discharge permit, effluent exceedances, inspections, penalties

BOSTON HARBOR STP, Olympia, Washington: Individual permit WA0040291, held by Thurston County Public Works; Publicly owned treatment works; Administratively continued; issued December 15, 2011, term to January 30, 2017, by State.

• Solids, total suspended: 0 limits, 252 violations of any kind, 16 effluent exceedances, latest December 31, 2025, largest 366% over the limit.
• Fecal coliform, MPN, EC med, 44.5 C: 0 limits, 5 violations of any kind, 5 effluent exceedances, latest December 31, 2011, largest 419% over the limit.
• BOD, 5-day, 20 deg. C: 0 limits, 239 violations of any kind, 3 effluent exceedances, latest February 28, 2022, largest 175% over the limit.
• Coliform, fecal general: 0 limits, 1 violation of any kind, 1 effluent exceedance, latest April 30, 2012, largest 9% over the limit.
• pH: 0 limits, 108 violations of any kind.
• Solids, suspended percent removal: 0 limits, 102 violations of any kind.
• Nitrite + Nitrate total [as N]: 0 limits, 4 violations of any kind.
• Nitrogen, ammonia total [as N]: 0 limits, 3 violations of any kind.
• Nitrogen, Kjeldahl, total [as N]: 0 limits, 3 violations of any kind.

• September 30, 2026: Evaluation (S).
• February 12, 2026: Agency Enforcement Review (State).

Washington holds 238 Publicly owned treatment works coverages of this permit type in EPA’s file; 57 were issued before WA0040291. Thurston County Public Works holds 9 permits in Washington.

Other permits held by Thurston County Public Works

• TAMOSHAN STP, Olympia: WA0037290, issued 2017-10-26
• GRAND MOUND STP, Rochester: WA0042099, issued 2010-02-16
• THURSTON COUNTY PW RAINIER PIT, Rainier: WAG501275, issued 2021-02-17
• THURSTON COUNTY PW WALDRICK PIT, Olympia: WAG501276, issued 2021-02-17
• THURSTON COUNTY PW OWL HILL PIT, Tenino: WAG501278, issued 2021-02-17
• LITTLEROCK RD. SW AND 113TH AVE. SW, Olympia: WAR314478, issued 2020-11-18
• OLD HIGHWAY 99/SARGENT/201ST RAB, Centralia: WAR315330, issued 2025-11-19
• 183RD AVE. SW PHASE 1, Rochester: WAR315340, issued 2025-11-19

Coverages issued nearest WA0040291

• 2011-09-14: LEWIS COUNTY WATER & SEWER DIST 6, Mossyrock: WA0037141, held by Lewis County Water & Sewer District #6
• 2011-09-30: YAKIMA POTW, Yakima: WA0024023, held by Yakima Regional POTW
• 2011-10-25: CHEWELAH WWTP, Chewelah: WA0023604, held by City of Chewelah
• 2011-11-16: WASHOUGAL STP, Washougal: WA0037427, held by City of Washougal
• 2011-11-29: SPOKANE COUNTY REGIONAL WATER RECLAMATION FACILITY (SCRWRF), Spokane: WA0093317, held by SCRWRF
• 2011-12-21: ORTING STP, Orting: WA0020303, held by City of Orting
• 2012-03-08: PROSSER POTW, Prosser: WA0020800, held by City of Prosser
• 2012-03-15: WOODLAND STP, Woodland: WA0020401, held by City of Woodland
• 2012-03-15: SALMON CREEK STP, Vancouver: WA0023639, held by Clark Regional Wastewater District
• 2012-05-21: WALLA WALLA WATER RECLAMATION FACILITY, Walla Walla: WA0024627, held by Jacobs

BOSTON HARBOR STP among its neighbors

25 discharge permits are in the Ellis Creek-Frontal Budd Inlet subwatershed (HUC 171100190503); WA0040291 is one. Its county: 207, 1 major; WA0040291 is minor permit.

Other permits in the Ellis Creek-Frontal Budd Inlet subwatershed (HUC 171100190503)

• 22ND AVENUE SIDEWALK PROJECT, Olympia: WAR301843, minor, term to 2015-12-31
• BLACKBERRY HILL PLAT, Olympia: WAR309914, minor, term to 2025-12-31
• BMT NORTHWEST, Olympia: WAR302199, minor, term to 2015-12-31
• BOULEVARD PARK OLYMPIA, Olympia: WAR314728, minor, term to 2025-12-31
• BUDD BAY LANDING TOWNHOMES, Olympia: WAR315628, minor, term to 2030-12-31
• COLUMBIA PLACE, Olympia: WAR011332, minor, term to 2015-12-31
• HABITAT FOR HUMANITY BOULEVARD RD, Olympia: WAR314577, minor, term to 2025-12-31
• HILTON GARDEN INN OLYMPIA, Olympia: WAR303040, minor, term to 2015-12-31
• LANDSDALE POINTE, Olympia: WAR313406, minor, term to 2025-12-31
• LOTT BUDD INLET WATER RECLAMATION FACILITY, Olympia: WA0037061, major, term to 2023-03-31