California Air District · ERC Guide

Colusa County APCD Emission Reduction Credits

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Banked credits in Colusa County APCD

Rice country, Brennan, Jewett, Hackett's own backyard. No register published online; we request the district's records directly.

Colusa County APCD: contacts, banking rule and fees

From the district’s own pages, rules and forms, each fact linked to where it is published. Last verified 2026-10-06. Rules and fees change; confirm with the district before you file.

District office	100 Sunrise Blvd., Suite F, Colusa, CA 95932 (source) 530-458-0590 (source)
Permitting contact	ccair@countyofcolusaca.gov (general district email; no separate permitting contact published) (source)
District pages	Rules · Permit forms
Banking rule	Rule 431, Emission Reduction Credits and Banking CARB copy (RuleID4612) shows Amended 6/6/95, 6/4/96, 1/26/99; Recodified 12/17/19. CARB NSR/ERC index page still lists it under old number Rule 3-16.
Banking application	No banking application form published
Banking fee	Rule 503: $68.00 application filing fee plus stationary-source evaluation at $65.00/hour; transfer $85.00; modification $65.00/hour; replacement $34.00. (source)
Timelines in the rule	Rule 431 sec 14.1: “The APCO shall determine whether an ERC application is complete not later than thirty (30) calendar days following receipt of the application” Rule 431 sec 14.2: “The applicant shall have sixty (60) days ... to submit the requested information.” Rule 431 sec 14.5: “Upon acceptance of an application as complete, the APCO shall have 180 days to take final action on the application” Rule 431 sec 14.6: “the APCO shall have another thirty (30) days to render a decision to approve, conditionally approve, or deny the application.” (source)
ERC register	no ERC register published

How ERCs work in Colusa County APCD

Emission Reduction Credits are banked, district-certified reductions in NOx, ROG/VOC, PM10, SOx, or CO. Businesses building or expanding in the district may be required under New Source Review to purchase ERCs to offset new emissions before an air permit issues. Credits are generally usable only within Colusa County APCD (or its air basin with district board approval, Health & Safety Code §40709.6), which is why local scarcity sets the price. The district verifies reductions and records every transfer.

District office: (530) 458-0590.

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