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PFAS treatment projects in US capital improvement plans

35 planned projects · $521M · 21 cities in 15 states

Capital projects that add treatment for per- and polyfluoroalkyl substances: granular activated carbon, ion exchange or reverse osmosis at water plants, and biosolids or effluent controls at wastewater plants. Driven by the 2024 federal drinking-water limits and state biosolids rules.

Klarifi's extraction of published capital improvement plans finds 35 PFAS treatment projects in 21 cities with a combined planning budget of $521M, the largest being Richland & Ross PFAS Water Main Extension in Kalamazoo, MI at $46M. The list below ranks the 25 largest by budget; every city links to its full capital plan page.

The largest PFAS treatment projects

The 25 largest PFAS treatment projects by planning budget across all extracted US capital improvement plans.
#ProjectCityBudgetYears
1Richland & Ross PFAS Water Main ExtensionKalamazoo, MI$46M2025
2Polyfluoroalkyl Substances Project (PFAS)Newport News, VA$44M2025–2027
3Water Station 3 Site UpgradesVancouver, WA$42M2025–2029
4WS 1 PFAS Treatment SystemVancouver, WA$39M2025–2029
5WS 9 PFAS Treatment SystemVancouver, WA$35M2025–2028
6PFAS Treatment Sys. @ Ranney Collector 5Kennewick, WA$35M2025–2029
7WS 4 PFAS and Hypo Gen SystemVancouver, WA$35M2025–2027
8WS 15 PFAS MitigationVancouver, WA$29M2025–2029
9Richland & Ross PFAS Water Main ExtensionKalamazoo, MI$27M2025
10PFAS Treatment & Water SofteningLoveland, OH$19M2025–2027
11PFAS ComplianceHollywood, FL$18M2025–2029
12Harwoods Mill Facility ImprovementsNewport News, VA$16M2025–2027
13WS 7 PFAS Treatment SystemVancouver, WA$14M2029–2031
14PFAS Advanced TreatmentRaleigh, NC$13M2024–2029
15Per & Polfluoroalkyl Substances (PFAS)Newport, RI$13M2025–2030
16WS 8 PFAS MitigationVancouver, WA$12M2029–2031
17Cascade - PFAS Phase Watermain ExtensionGrand Rapids, MI$11M2025
18WS 14 PFAS Treatment SystemVancouver, WA$10M2025–2026
19Source Water PFAS Reduction Project - Granular Activated Carbon Filter RehabilitationDubuque, IA$10M2028–2029
20Well #3 PFAS Removal Plant & RedrillWest Deptford Twp, NJ$7M2025
21PFAS and 1, 2, 3-TCP RemediationCorona, CA$7M2027
22BAWA PFAS Regulatory Treatment ProjectBaytown, TX$6M2026
23Super Critical Water Oxidation PilotOlathe, KS$6M2025–2026
24PFAs RemediationPrescott, MI$5M2025–2027
25PFAS RemediationPrescott, MI$5M2025–2027

All 35 PFAS treatment projects, with descriptions and contacts

Every line item with its description, page reference and source document, filterable by state, budget and start year, linked to the treatment plants and decision-makers in each city, and refreshed as new plans are adopted.

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Cities with the most PFAS treatment projects

CityProjectsBudget
Vancouver, WA9$216M
West Deptford Twp, NJ3$17M
Kalamazoo, MI2$73M
Newport News, VA2$60M
Dubuque, IA2$11M
Prescott, MI2$11M
Kennewick, WA1$35M
Loveland, OH1$19M
Hollywood, FL1$18M
Raleigh, NC1$13M
Newport, RI1$13M
Grand Rapids, MI1$11M

States with the most PFAS treatment projects

StateProjectsBudget
Washington12$253M
Michigan5$95M
New Jersey3$17M
Virginia2$60M
Iowa2$11M
Maryland2$750K
Ohio1$19M
Florida1$18M
North Carolina1$13M
Rhode Island1$13M
California1$7M
Texas1$6M

Planned spend by start year

Before 2026

$457M

24 items

2026

$8M

3 items

2027

$12M

2 items

2028

$16M

3 items

2029

$28M

3 items

Other project types

Water mains and distribution (3,064)Sewer rehabilitation and I&I (2,270)Wastewater treatment plant upgrades (712)Water treatment plants (434)Pump stations (1,213)Membranes and filtration (320)Force mains and interceptors (406)Biosolids, sludge and dewatering (341)Stormwater and flood resilience (245)Aeration and blowers (204)Lead service line replacement (143)Storage tanks and reservoirs (639)Wells and groundwater (468)Planning, studies and asset management (297)Lift stations (585)Meters and AMI (356)Buildings, HVAC and site work (529)Headworks, screening and grit (221)Anaerobic digesters and biogas (136)Disinfection and UV (189)Water reuse and reclaimed water (52)SCADA, controls and instrumentation (391)Nutrient removal (54)Clarifiers and settling (176)Generators, power and electrical (260)Odor and corrosion control (58)Lagoons and ponds (45)All capital plans →

PFAS treatment project questions

Sources and methodology

Budgets and years are as published in each city’s capital improvement plan or adopted budget. Klarifi extracts the water, sewer and wastewater line items from the published document, keeps the page reference for each one, and assigns a project type from the title and description with a keyword classifier. Figures are planning budgets, not awarded contracts, and can change when a plan is re-adopted.

Data refreshed September 11, 2026.

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