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NPDES WAR301486 · Clean Water Act

NELSEN-CATTERALL, Sammamish, WA: NPDES WAR301486 discharge permit, effluent exceedances, inspections, penalties

NELSEN-CATTERALL, Sammamish, Washington: General permit coverage WAR301486, held by Nelsen-Catterall; Construction stormwater; Administratively continued; issued December 1, 2010, term to December 31, 2015, by State.

  • pH: 2 limits, 20 violations of any kind.
  • Turbidity: 1 limit, 10 violations of any kind.

Washington holds 4,744 Construction stormwater coverages of this permit type in EPA’s file; 112 were issued before WAR301486.

Coverages issued nearest WAR301486

NELSEN-CATTERALL among its neighbors

92 discharge permits are in the Lake Sammamish-Sammamish River subwatershed (HUC 171100120202); WAR301486 is one. Its county: 1,319, 8 major; WAR301486 is minor permit.

Other permits in the Lake Sammamish-Sammamish River subwatershed (HUC 171100120202)

Identity

FacilityNELSEN-CATTERALL
PermitteeNelsen-Catterall
NPDES IDWAR301486
StatusAdministratively continued
TypeGeneral permit coverage
ClassMinor
Facility typeNon-POTW
ProgramConstruction stormwater
IssuedDecember 1, 2010
ExpiresDecember 31, 2015
AgencyState
AddressSammamish, WA 98387
SubwatershedLake Sammamish-Sammamish River (HUC 171100120202)

NPDES WAR301486: effluent limits and exceedances

NELSEN-CATTERALL (NPDES WAR301486): 2 pollutants on file, 2 limited; 2 with a violation of any kind, 0 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
pH2200
Turbidity1100

NPDES WAR301486: inspections, violations and enforcement

NPDES WAR301486 (NELSEN-CATTERALL): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.

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Permits near NPDES WAR301486

NPDES WAR301486: 2 pollutant rows, 0 dated events; ICIS-NPDES download, loaded September 15, 2026.