Why the data suggests it.
The demand side has a federally-enforced 15-year capital tail. The EPA Amended Consent Decree mandates a wastewater capital program through January 1, 2040. SD1's board meets monthly and posts agendas and summaries publicly at sd1.org. Bid postings live at sd1.org/Bids.aspx and the RFP and bid schedule sits at sd1.org/601/RFPBid-Schedule. MSA solicitations re-issue periodically, and the capture window is the next solicitation cycle. SD1 serves Kenton, Boone, and Campbell counties as the regional sanitary and stormwater authority. CSO and SSO mitigation runs on a five-year milestone schedule against the 2040 deadline. Green stormwater infrastructure, cured-in-place pipe rehabilitation, manhole rehab, smoke and dye tests, and hydraulic modeling all sit inside the scope.
The credentialing stack is narrow but accessible to a Kentucky-licensed environmental or civil PE with five to seven years of documented CSO and SSO portfolio work. Sealed-PE drawings on past municipal sanitary projects, familiarity with EPA consent-decree milestone reporting, and a stormwater-plus-wastewater dual portfolio all help. Bioswale, permeable-pavement, and rain-garden design experience differentiate. The right firm size for subbing onto the MSA roster is typically sub-$10 million annual revenue with eight to 25 staff — the founder PE plus two or three staff PEs and admin or CAD support. That's large enough to carry $2 million-plus professional liability and $1 million-plus general liability insurance, and small enough to stay attractive as a subconsultant to the primes. SBA 7(a) is viable for an acquisition path; the June 2025 SOP 50 10 8 update tightened equity-injection rules and seller-note standby terms but did not close the lane.
The prime tier is two or three firms wide — Strand Associates (employee-owned), Black & Veatch (private partnership), and GRW (Kentucky-domiciled mid-market). Each is named only by the work disclosed in SD1's February 2026 board summary. The founder lane is to sit as a named subconsultant inside those primes. If SD1 work runs thin between solicitation cycles, the Northern Kentucky Water District (NKWD) parallel water-side roster is the redirect. NKWD's recent named primes include Jack Gemmer and Sons on construction, CT Consultants on nine-mile Kenton water-main extensions, and Campbell-based Cardinal Engineering. Spring 2026 completion was reported by LINK NKY in November 2025.
The federally-floored 15-year capital tail is the durable demand-side moat. The MSA-gating rule contractually narrows competition. SD1's service area is Kentucky-only, so there's no Ohio place-of-performance attribution risk on this lane — that risk lives on the Brent Spence Bridge candidate, not here. The frame is narrow by design: two or three incumbents, M&A consolidation risk that could shrink it to one or two, and the NKWD redirect as a hedge.
The math.
Steady-state model — founder-PE + 2 staff PEs + 1 admin/CAD. Service revenue: $1.6M-$2.4M annual (4 billable professionals at $180-$240K each). Direct labor + benefits: ~$520K (2 staff PEs at $110K + 1 admin/CAD at $65K, loaded ~30%). Founder draw (pre-profit): $140K-$180K base. Overhead (rent, insurance, software, vehicles, CE — continuing education, marketing): ~$220K. Operating margin (before founder profit-share): 15-22% typical for small environmental A/E.
Founder total take-home (base + profit-share, steady state, year 3+): $260K-$420K. Year 1-2 ramp: founder may take $100K-$150K while building MSA-credentialed work and hiring second PE. Exit math: 3-5× SDE on a steady $300K SDE = $900K-$1.5M sale value at retirement.
Acquisition path. Target: existing 8-15 staff KY-resident environmental engineering firm at 0.5-1.0× revenue or 3-5× SDE (typical small A/E multiples). $500K-$2.5M deal-size. SBA 7(a) viable; SOP 50 10 8 (June 1, 2025) requires 10% equity injection + full-standby seller-note + 2-year personal guarantee. Heritage Bank NKY-HQ + Stock Yards / Republic / Central / Fifth Third loan-officer warm-intro counterparties.
The named operators here.
- Regional sanitary and stormwater authority — primary procurement counterpartyInstitutionServes Kenton, Boone, and Campbell counties. Bids run through sd1.org/Bids.aspx with the RFP and bid schedule at sd1.org/601/RFPBid-Schedule. Clean H2O40 program page at sd1.org/647/Clean-H2O40.
- SD1 named prime — Dry Creek Watershed Master Planning at $212,000Out-of-countyEmployee-owned. Named on the February 2026 SD1 board summary for the Dry Creek Watershed Master Planning scope.
- SD1 named prime — Dry Creek WWTP blower phase at $228,617Out-of-countyPrivate partnership. Named on the February 2026 SD1 board summary for the Dry Creek wastewater treatment plant blower phase design.
- SD1 named prime — W6 Phase II Inspections at $418,000Out-of-countyKentucky-domiciled mid-market. Named on the February 2026 SD1 board summary for the W6 Phase II Inspections scope.
- SD1-adjacent federal awardee — $5.68 million EPA scope on KentonOut-of-countyThree-year aggregate of EPA awards at NAICS 541620 (environmental consulting) with Kenton place-of-performance.
- Federal regulator — Clean H2O40 deadline-floor authorityOut-of-countyThe January 1, 2040 deadline is judicially-entered, not regulatorily-discretionary. Slippage requires court action.
- Bayer Becker and Viox & VioxNorthern Kentucky multi-discipline civil and environmental engineering firmsInstitutionReference category for the founder positioning at the named-prime subconsultant tier.
- Regional water authority — parallel roster redirectInstitutionRecent named primes include Jack Gemmer and Sons on construction, CT Consultants on nine-mile Kenton water-main extensions, and Campbell-based Cardinal Engineering. Spring 2026 completion was reported by LINK NKY in November 2025.
- State licensure bodyOut-of-countyPE license verification and reciprocity at kyboels.ky.gov.
Acquisition pathway.
The acquisition lane has both a build-it path (founder-PE + 2 staff PEs LLC with explicit MSA-roster targeting) and a buy-it path (SBA 7(a) succession-buy of an existing 8-15 staff KY-resident environmental engineering firm). The realistic Kenton or Northern-KY pool of small environmental A/E firms with founder-era ownership and documented CSO/SSO past performance is small but real (Bayer Becker / Viox & Viox class is the reference category — not specific named targets without direct owner-age and intent-to-sell verification).
The highest-yield path is direct entry as a credentialed founder LLC anchored on Strand / Black & Veatch / GRW named-prime sub-relationships. Reader stands up the credentialing stack (KY PE — environmental or civil specialty + 5-7+ years documented CSO/SSO portfolio + stormwater + wastewater dual-portfolio); registers on sd1.org Bids portal with QuestCDN equivalent; positions for the next MSA solicitation cycle as named subconsultant on a Tier-1 prime's MSA submission. The acquisition variant — buy a Kenton or Northern-KY-resident environmental engineering firm with founder-era ownership — compresses entry by 12-18 months and inherits MSA-credentialed past performance.
Cert and onboarding scope. KY PE license is portable for in-state licensure-holders; reciprocal-state PE conversion is 2-4 months at the KY Board of Licensure for PEs. Professional liability $2M+ + general liability $1M+ insurance binding is 1-2 weeks. SD1 MSA-roster credentialing requires sealed-PE drawings + EPA consent-decree milestone-reporting past performance — typically 6-12 months to assemble a credible roster submission. The integrated stack plus a $50K-$120K working-capital cushion is the realistic 12-18 month buildout.
Named acquisition candidates in this category
- Kentucky Secretary of State bulk pull on Kenton, Boone, and Campbell-resident NAICS 541330 (engineering services) firms filtered to pre-2005 file dates with documented SD1 CSO and SSO past performance. Name withheld pending consentNorthern Kentucky small environmental engineering firm with founder-era ownership and documented MSA-credentialed past performance
- Pre-2005 Kentucky Secretary of State entity formation date with documented Kentucky PE licensure
- Five to seven years of documented CSO and SSO and EPA consent-decree milestone-reporting experience
- Founder age 60–70; succession-prone profile
- $1M–$5M annual revenue band; 8–25 staff
Secretary of State NAICS bulk pull, Heritage Bank SBA 7(a) loan-officer warm intro, and direct owner-age and intent-to-sell conversation before any named outreach
What the data can't see.
- SD1's Executive Director identity, procurement-officer intake mechanic, and MSA-roster re-solicitation cycle expiry dates.
- The SD1 Engineering Director and procurement contact at the working level.
- The SD1 Board Chair's identity and the routing path for board-level questions.
- The subconsultant-coordinator contacts at Strand, Black & Veatch, and GRW. No firm appears as a partner until those conversations are direct.
- The current EPA Region 4 enforcement contact handling consent-decree compliance correspondence.
- NKWD's procurement contact, QuestCDN portal credentials, and the working cadence on its 52 currently-tracked active contracts.
- Whether federal-administration changes deprioritize CSO and SSO enforcement nationally. Clean H2O40 is judicially-entered, so any deadline slippage requires court action, but enforcement intensity is worth monitoring.
Investigation roadmap.
Tonight, this week, this month — in that order. Each step produces a yes/no or a number, not a deeper understanding.
- 01Read the Clean H2O40 program page at sd1.org/647/Clean-H2O40 and the EPA case page on the consent decree.
- 02Read the SD1 Bids portal and the RFP and bid schedule.
- 03Read the February 2026 SD1 board summary for the Strand, Black & Veatch, and GRW named scopes.
- 04Read the Kentucky Board of Licensure for Professional Engineers for license and reciprocity rules.
- 05Read LINK NKY's November 2025 coverage of the NKWD parallel water-side roster — Jack Gemmer and Sons, CT Consultants, Cardinal Engineering.
- 01Call SD1's main line. Ask for the Executive Director, the Engineering Director, the procurement officer, and the next MSA solicitation cycle timeline.
- 02Call the Strand Associates, Black & Veatch, and GRW Cincinnati or Kentucky offices. Frame as a partner-with conversation; each is a named SD1 prime.
- 03Call NKWD procurement. Ask for QuestCDN portal credentials, the cadence on the 52 currently-tracked active contracts, and the spring 2026 follow-on roster.
- 04Call the EPA Region 4 enforcement contact. Ask for consent-decree compliance correspondence cadence and 2040 deadline status.
- 05Reach out to the Kentucky Society of Professional Engineers and ACEC Kentucky for environmental and civil specialty CE tracks.
- 01Apply for the Kentucky PE license in environmental or civil specialty, or run reciprocal-state conversion through the Kentucky Board of Licensure.
- 02Bind $2 million-plus professional liability and $1 million-plus general liability insurance.
- 03Pull the Kentucky Secretary of State bulk entity registry on Kenton, Boone, and Campbell-resident NAICS 541330 firms filtered to pre-2005 file dates to surface the succession pool.
- 04Plan a 12-to-18-month buildout — credentialing in months 1 to 3, first MSA-roster submission as a named subconsultant in months 4 to 9, and first direct-prime MSA submission in months 10 to 18.
- 05Open parallel NKWD QuestCDN portal credentials as the redirect lane.
Who this fits — and who it doesn't.
Returning environmental or civil PE
If you spent five to fifteen years inside a regional architecture-and-engineering firm — Strand, Black & Veatch, GRW, Bayer Becker, Viox & Viox, or any Kentucky environmental or civil firm — with documented CSO and SSO past performance and Northern Kentucky family ties, this fits cleanly. The technical lift is the credentialing stack of PE, insurance, and bonding. The customer-acquisition lift is a named-prime subconsultant relationship with Strand, Black & Veatch, or GRW, followed by your first roster submission. Year three take-home runs $260,000 to $420,000. An SBA 7(a) succession-buy path through Heritage Bank at $500,000 to $2.5 million compresses entry by 12 to 18 months.
Existing small Northern Kentucky engineering firm
If you already run a small Kentucky-resident environmental or civil engineering practice at $1 million to $5 million in revenue with founder-era ownership, the SD1 lane is margin-additive. The only new capital ladder is credentialing investment. The acquisition variant — being acquired by a Cincinnati-MSA or Kentucky-regional firm with explicit roster targeting — provides retirement liquidity at three to five times SDE. On a $300,000 SDE that's a $900,000 to $1.5 million sale value.
Skip if
You don't hold or can't pass the Kentucky PE in environmental or civil specialty, or you can't post the $2 million-plus professional liability and $1 million-plus general liability insurance and bonding capacity. This is not a generalist civil-engineering practice. The differentiation is environmental specialty, documented CSO and SSO portfolio, and a named-prime subconsultant relationship. You also skip if the next MSA solicitation cycle is too far out (it can push entry by two to four years), or if consolidation shrinks the prime tier to one or two firms. The federally-floored 2040 deadline anchors the demand.
Other candidates in Kenton County, or back to the full report.
- → A Kenton-resident operator who wins recurring service contracts across eight small-city portals and four utility and district portals because fragmentation is the moat.
- → A Kenton-resident recurring-services vendor — food, transport, IT, janitorial, mechanical service, pest, athletic-facility maintenance — wins across the three active capital-cycle districts under simultaneous KSBA portal transparency.
- → A Kenton-resident commodity-trade lane — maintenance of traffic, utility locating, silt fence and stormwater pollution prevention, and flagging — into the Walsh-Kokosing Brent Spence Bridge Corridor sub-roster through 2031.
- → Covington occupational-license-fee filer and Kentucky–Ohio payroll-withholding specialist for small employers crossing the Ohio River. Reciprocity collapses the state-tax arbitrage; the local fee matrix is the surviving moat.
- → A Kentucky-resident healthcare-finishes specialty subcontractor credentials onto St. Elizabeth's standing roster and the Cincinnati Children's Crestview Hills tail — steady-state work, not acquisition-displacement.