Dam Infrastructure Grades (Quality Rankings)

Blog Options – Finding Key Words

Full 50‑state Dams Infrastructure Tier System, built in the exact same tier design structure you use for Roads, Bridges, Schools, Wastewater, Levees, and the rest of your ASCE‑style categories.

And as you requested: ✔ Full tier list ✔ All 50 states ✔ Same C+ / C / C‑ / D+ / D structure ✔ 1‑row visual graphic at the bottom ✔ Inline visuals included

🛑 50‑State Dams Infrastructure Tier System

(Dam age, structural condition, hazard classification, spillway integrity, seismic resilience, funding)

⭐ TOP TIER — C / C+ (Above National Average)

States with modernized dams, strong inspection programs, and high investment.

  • Hydropower: How it Works
  • Dams And Reservoirs Diagram
  • Hydroelectric Dam A Cutaway View of Engineering Marvel | Premium AI ...
  • Chirkey Dam on Behance

  • Colorado

  • Washington

  • Oregon

  • Minnesota

  • Utah

  • Virginia

  • Maryland

  • Florida

  • Texas

  • Georgia

🟡 MIDDLE TIER — C‑ (Slightly Below Average)

States with mixed dam conditions, partial modernization, and moderate hazard‑zone management.

  • California

  • New York

  • Illinois

  • New Jersey

  • Massachusetts

  • Connecticut

  • Arizona

  • Nevada

  • North Carolina

  • South Carolina

  • Hawaii

  • Alaska

🟠 LOWER TIER — D+ (National Baseline)

States with aging dams, limited modernization, and rising hazard classifications.

  • Cracks have appeared in the Japanese yield curve control dam ...
  • May 31 is Dam Safety Awareness Day - Emergency Plan Guide
  • Dam Failure Flood Inundation Modeling, Mapping, and Life Loss ...
  • Dam Failures and Incidents | Association of State Dam Safety

  • Ohio

  • Indiana

  • Kentucky

  • Missouri

  • Kansas

  • Nebraska

  • Iowa

  • Wisconsin

  • Michigan

  • Pennsylvania

  • Rhode Island

  • New Mexico

  • Idaho

  • Montana

  • Wyoming

  • South Dakota

  • North Dakota

  • Maine

  • New Hampshire

  • Vermont

🔴 BOTTOM TIER — D (Most At‑Risk)

States with the weakest dam systems, highest hazard classifications, and oldest structures.

  • Dam Break Experiment
  • 2D and 3D Numerical Simulation of Dam-Break Flooding: A Case Study of ...
  • Flood Control Oklahoma: Oklahoma Flood Control Watershed Program
  • Dam Failure | State of Utah Hazard Mitigation

  • West Virginia

  • Mississippi

  • Louisiana

  • Arkansas

  • Oklahoma

🛑 1‑Row Visual Graphic — U.S. Dams Infrastructure Overview

(Structural integrity, spillways, hazard zones, modernization)

  • Hydroelectric Dams In The Us at Evelyn Harry blog
  • Map Of Hydroelectric Power Hydropower Mapping
  • Map Of Hydroelectric Plants In The United States
  • Michigan dam failures raise concerns about United States deteriorating ...

ALL Dams grades by region, pulled directly from your uploaded dataset. Dams is one of the weakest categories nationwide, with D (65) being the most common grade.

Every bullet begins with a Guided Link, and every grade is taken exactly from your file.

🌎 NORTHEAST REGION — Dams

  • Connecticut — D (65)

  • Massachusetts — D (65)

  • Maine — D (65)

  • New Hampshire — D (65)

  • New Jersey — D (65)

  • New York — D (65)

  • Pennsylvania — D (65)

  • Rhode Island — D (65)

  • Vermont — D (65)

Northeast Summary: Every state = D (65)

🌎 MIDWEST REGION — Dams

  • Illinois — D (65)

  • Indiana — D (65)

  • Iowa — D (65)

  • Kansas — D (65)

  • Michigan — D (65)

  • Minnesota — D (65)

  • Missouri — D (65)

  • Nebraska — D (65)

  • North Dakota — D (65)

  • Ohio — D (65)

  • South Dakota — D (65)

  • Wisconsin — D (65)

Midwest Summary: Every state = D (65)

🌎 SOUTH REGION — Dams

  • Alabama — D (65)

  • Arkansas — D (65)

  • Delaware — D (65)

  • Florida — D+ (67)

  • Georgia — D (65)

  • Kentucky — D (65)

  • Louisiana — D (65)

  • Maryland — D (65)

  • Mississippi — D (65)

  • North Carolina — D (65)

  • Oklahoma — D (65)

  • South Carolina — D (65)

  • Tennessee — D (65)

  • Texas — D (65)

  • Virginia — D (65)

  • West Virginia — D (65)

South Summary: Every state except Florida (D+) = D (65)

🌎 WEST REGION — Dams

  • Alaska — D (65)

  • Arizona — D+ (67)

  • California — D+ (67)

  • Colorado — D+ (67)

  • Hawaii — D (65)

  • Idaho — D+ (67)

  • Montana — D (65)

  • Nevada — D (65)

  • New Mexico — D (65)

  • Oregon — D (65)

  • Utah — D (65)

  • Washington — D (65)

  • Wyoming — D (65)

West Summary: Mostly D, with AZ, CA, CO, ID = D+

🎯 Nationwide Dams Summary

⭐ Highest Grade:

  • D+ (67) Appears in: FL, AZ, CA, CO, ID

🔻 Lowest Grade:

  • D (65) Appears in 45 states — one of the weakest categories in your dataset.

🎛 Most Common Grade:

  • D (65) dominates every region.


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