San Rafael's storm drains, many built before 1950, are deteriorating as the city confronts the cost of maintaining them. The City Council unanimously approved an updated master plan at its meeting last Monday. The plan estimates that full rehabilitation would cost about $45.9 million.
The system spans 138 miles of pipes and 70 miles of ditches and channels, and includes more than 8,000 structures, 12 pump stations and several levees, according to the Marin Independent Journal. Assistant Public Works Director Joanna Kwok told the council that much of the infrastructure predates 1950 and is deteriorating. The plan calls for about $9 million in annual spending: $4.6 million for capital improvements and $4.4 million for maintenance and operations.
A Funding Gap That Depends on Who's Counting
Just how big that gap is depends on the source. Kwok said the city faces an annual shortfall of about $5.4 million, according to the same report. A separate account of the draft plan from citizenportal.ai put the shortfall at $5.5 million, describing a $47 million 10-year capital need alongside staffing gaps. A city webpage, meanwhile, states that San Rafael has identified a narrower annual funding gap of roughly $750,000 to $1 million for storm drain operations and capital needs, according to the City of San Rafael. The discrepancies aren't explained in the available reporting, but they all point to the same underlying reality: the city isn't spending what the system needs.
Right now, San Rafael has the capacity to spend nearly $3.6 million a year on storm drains, the IJ's report notes. That funding comes from several pots: a clean stormwater activity fee adopted in 1995 that brings in about $830,000 annually for operations and maintenance, about $1.9 million from the general fund for operations and maintenance, and for capital improvements specifically, about $440,000 from the general fund, $200,000 from the gas tax fund and $200,000 from the capital improvement fund.
Corrugated Pipes and Pump Stations Top the List
One major priority is the system's roughly 99,500 linear feet of corrugated metal pipe. About 94,000 linear feet are expected to need repair or replacement. The plan recommends about $14.1 million for this work every 10 years, with some pipes receiving lower-cost life-extending repairs and the work spread over a 30-year period, the IJ reported.
The plan also proposes about $20.2 million in work on seven pump stations over the next decade, within a 24-year horizon for repairing and replacing stations across the system. Kwok said the city has typically repaired storm drains in response to problems; the plan is intended to shift the approach toward scheduled, proactive work, according to the IJ.
Flood Risk Is Broader Than Drain Condition
Parts of San Rafael are at risk of flooding because they are lower than the Bay, and that risk is increasing as sea levels rise and the ground settles, according to the City of San Rafael. That is broader hazard context; it does not establish that aging storm drains caused any particular flood. A separate local effort illustrates another source of resilience funding: the City of Mill Valley reported that its council received an update on Sept. 12, 2024, about $3,015,000 approved by Marin County Flood Control District Flood Zone 3 for Mill Valley flood-resilience projects.
A Costly Precedent From San Quentin
San Rafael has been burned before by storm drain cost estimates. Back in 2022, the city's planned reconstruction of the San Quentin pump station was pegged at $3.2 million, but the Marin Independent Journal reported that the lowest of six bids came in at $7.1 million — more than double the estimate. Bids on that project ranged from $6.5 million to $8.1 million, and the council ultimately approved a scaled-back version with two pumps instead of three and no “slip line” pipe, trimming $724,000 off the cost.
San Rafael isn't alone in grappling with aging, underfunded stormwater systems. Across the bay in Alameda, the city's Clean Water Program runs an annual deficit of approximately $1 million and faces more than $30 million in capital needs, according to a city page hosted on OpenGov. That page also notes Alameda's stormwater fees haven't increased in 15 years even as program costs have climbed significantly — a dynamic that echoes San Rafael's own fee history, since its storm drain fee was last updated during the 2000-2001 fiscal year.
Council Members Say the Bill Has Been Building for Years
Council members described the funding and maintenance challenge as the result of years of delay. Councilmember Eli Hill said stormwater infrastructure often goes unnoticed until problems become visible. Councilmember Maribeth Bushey pointed to the funding deficit and said the dedicated stormwater fee has not changed in 25 years, arguing that it needs a substantial increase, according to the IJ.
The city has not chosen how to close the gap. Options identified in the IJ's report include changing the stormwater fee, creating new property-related fees, adopting a special tax, development impact fee or regulatory fee, establishing an assessment district, and pursuing grants or other revenue. None has been adopted, and the amount any option could raise remains unclear.
