Muncie, Indiana

Environmental Quality Report Card

Muncie reports good air quality, with AQI levels better than the national average. Water tests indicate moderate conditions across key measures. Facility compliance with environmental standards is above the national average.

Air Quality (Annual Overview)

Grade A
27.4 AQI

Yearly average AQI (2024): 27.4. National average: 41.4. 26 moderate days, 0 unhealthy days recorded.

Water Quality (Key Indicators)

Grade C
7.93 pH

Latest pH level (2024): 7.93. Ideal range: 6.5–8.5.

Facility Violations

Grade B
2 significant violations

Facilities like factories and treatment plants had 2 significant and 349 total violations reported in 2024.

Water Quality (with EPA Standards)

Water quality measurements are provided by the Water Quality Portal , a collaboration between the USGS, EPA, and other agencies.

Characteristic Local Value Safe Range Grade Last Measured
Copper 2.40 mg/L <1.3 F 2/5/2025
Arsenic 0.88 mg/L <0.01 F 2/5/2025
Turbidity 11.70 NTU <5 F 1/8/2025
pH 7.93 6.5 - 8.5 A 1/8/2025
Lead 0.00 mg/L <0.015 A 12/17/2024
Ammonia 0.11 mg/L <0.5 A 7/15/2024
Zinc 8.78 mg/L <5 F 12/17/2024

Water Quality (No EPA Standard)

These measurements do not have formal EPA standards but are still important indicators of local water quality.

Characteristic Local Value Unit Last Measured
Nitrate + Nitrite 5.10 mg/L 2/5/2025
Potassium 3.46 mg/L 2/5/2025
Total suspended solids 34.00 mg/L 12/17/2024
Boron 40.60 ug/L 2/5/2025
Chloride 63.00 mg/L 2/5/2025
Total solids 649.00 mg/L 2/5/2025
Total dissolved solids 612.00 mg/L 2/5/2025
Nickel 2.10 ug/L 2/5/2025
Barium 80.90 ug/L 2/5/2025
Hardness, carbonate 328.00 mg/L 2/5/2025
Organic carbon 3.30 mg/L 2/5/2025
Alkalinity, total 250.00 mg/L 2/5/2025
Manganese 14.90 ug/L 2/5/2025
Calcium 82.70 mg/L 2/5/2025
Aluminum 157.00 ug/L 2/5/2025
Magnesium 29.50 mg/L 2/5/2025
Fluoride 0.54 mg/L 2/5/2025
Sulfate 163.00 mg/L 2/5/2025
Kjeldahl nitrogen 1.30 mg/L 12/17/2024
Sodium 78.00 mg/L 2/5/2025
Strontium 548.00 ug/L 2/5/2025
Total Phosphorus, mixed forms 0.09 mg/L 2/5/2025
Iron 233.00 ug/L 2/5/2025
Chemical oxygen demand 26.10 mg/L 2/5/2025
Specific conductance 993.00 uS/cm 1/8/2025
Dissolved oxygen saturation 100.30 % 1/8/2025
Temperature, water 0.60 deg C 1/8/2025
Biochemical oxygen demand, standard conditions 3.20 mg/L 7/15/2024
Dissolved oxygen (DO) 14.37 mg/L 1/8/2025
2-Choro-6-ethylamino-4-amino-s-triazine 46.00 ng/L 9/10/2024
Atrazine 22.00 ng/L 11/6/2024
Metolachlor 1.40 ug/L 7/15/2024
Thiamethoxam 18.00 ng/L 7/15/2024
Simazine 28.00 ng/L 11/6/2024
2-Hydroxyatrazine 120.00 ng/L 11/6/2024
Imidacloprid 18.00 ng/L 7/15/2024
2-Chloro-4-isopropylamino-6-amino-s-triazine 58.00 ng/L 9/10/2024
Clothianidin 68.00 ng/L 7/15/2024
Chromium 1.70 ug/L 12/17/2024
Selenium 1.20 ug/L 2/5/2025

Air Quality Details (2024–2025)

The Air Quality Index (AQI) measures how clean or polluted the air is. A lower AQI means cleaner air. Main pollutants include particulate matter like PM2.5, ozone, and others regulated by EPA standards.
Air quality data sourced from OpenAQ, aggregating official monitoring stations.

Yearly Average AQI National Average AQI Good Days Moderate Days Unhealthy Days Worst Day AQI Top Pollutant
27.4 41.4 339 26 0 69 (on 6/3/2025) PM2.5

Monthly AQI Trend

Monthly average AQI values over the past year. Lower values are better. Peaks may indicate pollution events.

Facility Compliance

Facility compliance and violation data come from the EPA's ECHO database.

1,207 monitored facilities

Total Violations: 349

Significant Violations: 2

Total Penalties: $5,363,800

Despite 2 significant violations, Muncie reported 349 total violations across monitored facilities in 2024. This results in a compliance grade of B, reflecting strong adherence to environmental standards compared to national benchmarks.

About the Data

This report uses the latest publicly available environmental data:

  • Air Quality: Data sourced from the OpenAQ Platform, aggregating official air quality monitoring stations near Muncie.
  • Water Quality: Measurements from the Water Quality Portal, a collaboration between the USGS, EPA, and other agencies.
  • Facility Compliance: Sourced from the EPA's ECHO Database, detailing facility violations, penalties, and compliance rates.

All data is refreshed regularly and reflects the latest available figures for 2024.