How Fairfield Handles Environmental Rules: A Practical Guide

Fairfield maintains 100 local ordinances across all categories, and 2 of those deal specifically with environmental rules. Here is a breakdown of what the city actually requires, what is prohibited, and where Fairfield falls on the strict-to-permissive spectrum compared to other cities.

Flood Zones

Fairfield Municipal Code Chapter 8A (Flood Damage Prevention) regulates development within FEMA Special Flood Hazard Areas. Properties near Suisun, Green Valley, Dan Wilson, Ledgewood, and Union creeks are most affected; the city joined the National Flood Insurance Program in 1984.

Key details: Local ordinance: FMC Chapter 8A Flood Damage Prevention. NFIP joined: 1984. Regulatory standard: 100-year (1% annual chance) floodplain. Flood-prone creeks: Suisun, Green Valley, Dan Wilson, Ledgewood, Union. Flood-zone letter: Available from Public Works (nominal fee).

Construction in a Special Flood Hazard Area without a flood-zone-compliant building permit can trigger stop-work orders, mandatory removal or elevation of non-compliant work, NFIP compliance issues that put the city's good-standing at risk, and increased flood insurance premiums for the property.

Stormwater Management

Fairfield Municipal Code Chapter 22B prohibits illicit (non-stormwater) discharges to the city storm drain system and implements the Bay Area Municipal Regional Stormwater NPDES Permit. New and redevelopment projects creating 5,000+ sq ft of impervious surface require stormwater treatment.

Key details: Code chapter: FMC Chapter 22B. Governing NPDES permit: SF Bay RWQCB Municipal Regional Stormwater Permit. C.3 treatment threshold: 5,000 sq ft impervious (10,000 sq ft for single-family). Illicit discharge: Any non-stormwater discharge not exempted. Administering officer: Public Works Director.

Chapter 22B authorizes administrative citations, cease-and-desist orders, recovery of cleanup costs, and referral for misdemeanor prosecution. Repeat or substantial discharges may also trigger state enforcement by the Regional Water Quality Control Board under the Clean Water Act with much larger penalties.

This is one of the stricter rules in Fairfield's municipal code. If you are unsure whether your situation complies, it is worth checking with the city before proceeding.

The Bottom Line

Fairfield's environmental rules rules are a mixed bag. Some areas are strict, others are relaxed, and the details matter. The best approach is to check the specific rule that applies to your situation rather than assuming Fairfield is broadly strict or permissive.

All of the above reflects Fairfield's municipal code as of our last review. If you need specifics on fines, exemptions, or filing requirements, the detailed ordinance pages linked above have the full breakdown.