Sources & Citations — Allen County

Residents in southwest Allen County are voicing concerns about a proposed limestone quarry and asphalt and concrete production facility that could be built near homes, schools, hospitals and wetlands.

Neighbors are voicing concerns about a proposed quarry near the IU Health campus in southwest Allen County.

The application was initially found incomplete; the developer resubmitted by April 7, 2026 and county staff deemed it complete, placing it on the agenda for a May 26 public hearing.

The Heritage Group, with US Aggregates, has targeted ~1,604 acres for acquisition in southwest Allen County.

Commissioner Ron Turpin discusses the proposal and the multi-step approval process required.

Operations like a rock quarry introduce noise, heavy truck traffic and industrial activity that can conflict with the healing environment we work hard to maintain.

The Board of Commissioners is aware of the public sentiment concerning a potential new quarry in southwest Allen County. Like all potential projects, there is an official land use process that must be followed.

The Southwest Allen County Schools Board of School Trustees is expressing strong opposition to the potential phased quarry operation and development near Lafayette Meadows Elementary School, introduced by The Heritage Group.

Original rezoning and special use application filed by US Aggregates. Includes site plan with structure heights, silo counts, scalehouse, maintenance shop, and facility layout.

Search for planning applications including the Homestead Road quarry rezoning by address or applicant name.

Official agendas and minutes for Plan Commission, Board of Zoning Appeals, and Board of Commissioners.

2023 ACS 5-Year Estimate: median home value in Aboite Township, Allen County, Indiana is $288,000 — approximately 19% above the Fort Wayne citywide median.

Allen County, Indiana real GDP (chained 2017 dollars): $22.39 billion (2023), $22.99 billion (2024). The developer's claimed $16.4 million annual economic benefit represents approximately 0.07% of Allen County's annual GDP.

Allen County 2024 approved property tax levy: $79,517,135. Total 2024 county budget (all funding sources): $302,485,768. The developer's claimed $330,000 in annual local tax revenue represents approximately 0.4% of the county's annual property tax levy and 0.1% of the total county budget.

Heritage Group representatives, including 3–4 speakers in support of the proposal, addressed the SACS board. Testimony included the project timeline (~100 years for full buildout), acreage breakdown, and phased development description. Transcript pending.

⚠️ Transcript pending — specific acreage figures (initial 60-acre pit, ~520-acre quarry area) should not be cited until transcript is confirmed.

Heritage Group representatives described Lafayette Meadows Elementary as 'nearly 2 miles away' from the proposed quarry, citing approximately 10,000 feet. Measured from the initial pit centroid to the school centroid, the straight-line distance is 9,756 feet (1.85 miles); of that, 8,813 feet (90%) is Heritage Group-controlled land.

⚠️ Claim made at SACS Board meeting March 23 2026 and repeated in Journal Gazette coverage. Add JG article URL when available.

Flyer distributed publicly by the developer. Claims: 136 temporary construction jobs, 108 permanent ongoing jobs, $16.4 million annual economic benefit to the local and state economy, and $1.1 million in annual tax revenue — broken down as approximately $330,000 local and $758,000 state. These are the developer's own figures and have not been independently verified.

⚠️ All figures on this page attributed to this source are the developer's own claimed projections, not independently verified. Local/state tax breakdown: ~$330K local, ~$758K state.

Review of property value impacts from heavy industrial land uses (quarries, asphalt plants, rail facilities, chemical operations). Cited here for the qualitative finding that co-located heavy-industrial complexes produce larger combined diminutions than any single facility alone. Note: the specific +0.10 / +0.05 / +0.07 sub-weights used in this project's 1.22 composite multiplier are author-assigned engineering judgment informed by Simons, not directly published in the paper.

Difference-in-differences analysis of 1,600 toxic industrial plant openings and closings documents an 11% decline in housing values within 0.5 miles of plant openings.

Hedonic pricing analysis of ~10,000 real estate transactions near three quarries in Israel identifies an 8.6% aggregate decline in property values for nearby homes.

Spatial quantile autoregressive analysis of 5,500 house sales near a limestone rock mine in Ohio estimates a 3.1–5.1% property value decline per mile closer to the mine.

Hedonic pricing analysis of 21,850 residential property sales finds a 20–30% discount for properties within 2 km of an open-pit mine compared to those 6–7 km away.

Hedonic pricing study of rural residential properties near aggregate pits and quarries in Wellington County, Ontario finds an 8.57% to 39.36% decline in property values at the time of quarry opening.

Quarry operations can remain active for 100+ years, impacting five or more generations of residents. Reviews land use planning frameworks, mandatory setback distances, and documented property value diminution associated with blasting quarry operations.

Innocent property owners near an aggregate extraction operation experience a diminished quality of life, lose the full use and enjoyment of their properties, and sustain a reduction in the value of their properties, for which no compensation is received — constituting a de facto taking of an interest in land.

Eagle Marsh is an 831-acre wetland restoration — the largest inland urban wetland restoration in Allen County, supporting 225+ bird species.

LRWP's account of the campaign to block the Hanson Aggregates quarry expansion near Eagle Marsh through land acquisition, community organizing, and legal partnership.

PM2.5 particles can penetrate deep into the lungs and even enter the bloodstream. Exposure is linked to a range of serious health effects including aggravated asthma, reduced lung function, and cardiovascular disease.

Nitrogen dioxide and other NOx gases react with other chemicals in the air to form ground-level ozone and particulate matter. EPA regulates NOx as criteria air pollutants under the Clean Air Act.

Breathing crystalline silica dust can cause silicosis, a potentially disabling and sometimes fatal lung disease. It is also associated with lung cancer and COPD.

The EPA has classified diesel exhaust as likely to be carcinogenic to humans by inhalation at environmental exposures.

Wetlands provide flood attenuation, water quality improvement, groundwater recharge, shoreline stabilization, and habitat. Mitigation cannot fully replicate established wetland function.

With the enactment of Indiana Code 14-25-4 by the 1985 Indiana General Assembly, owners of small capacity water wells are protected against the impacts of high capacity ground-water pumpage if it substantially lowers water levels, resulting in the failure of a small capacity well.

Over 3,000 neighbors signed in under 3 days opposing the proposed quarry and industrial rezoning.