Prototype·Built by Concourse for Arizona State Historic Preservation Office
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Arizona State Historic Preservation Office
State Parks Building · 1100 W Washington St · Phoenix, AZ 85007 · shpo@azstateparks.gov
Prototype letterhead — generated by SHOPP
March 18, 2026
FHWA via ADOT
Attn: contact126@example.gov
RE: Section 106 Consultation, Sewer line replacement — Yuma Co. Phase II
SHPO File: PRJ-2026126 · Yuma County, AZ
Received: 3/18/2026 · Deadline: 4/17/2026

Dear contact126@example.gov:

The Arizona State Historic Preservation Office (SHPO) has reviewed your sewer line replacement submission for the above-referenced undertaking pursuant to Section 106 of the National Historic Preservation Act and its implementing regulations at 36 CFR Part 800.

Project description. SYNTHETIC demonstration record. Sewer line replacement submitted by FHWA via ADOT.

Area of Potential Effects (APE). The APE includes a polygon of approximately 102.20 km² centered at 34.2393°, -112.7479° in Yuma County, Arizona.

Federal nexus. The APE intersects the following surface management jurisdictions: Private Land (Private); State Trust Land (State); Bureau of Land Mgmt. (BLM).

Flood hazard. The APE intersects FEMA flood zone(s) D, X.

Identified historic properties. The following NRHP-listed or eligible properties lie within or adjacent to the APE:

  • Peeples Valley School (NRIS 07000991)5.55 km from APE centroid.

Section 4(f) considerations. 3 pre-1945 bridge(s) lie within 5 km of the APE; ADOT and FHWA Section 4(f) eligibility should be confirmed prior to construction.

ADOT historic / scenic route(s). Kingman to Wickenburg Highway and Hoover Dam to Kingman Highway; Kingman to Wickenburg Highway and Hoover Dam to Kingman Highway; Wickenburg to Prescott to Ash Fork Highway.

Determination. Based on the foregoing, SHPO concurs with a finding of NO ADVERSE EFFECT pursuant to 36 CFR 800.5.

This determination is non-final until concurrence is received from all consulting parties. Should the scope of the undertaking change, please resubmit for re-review per 36 CFR 800.13.

Sincerely,

A. Whitman
reviewer · Arizona SHPO
This letter was auto-drafted by SHOPP using the unified GIS layer set and the project’s submitted polygon. Final review and signature by the assigned reviewer is required before issuance.