Elkhart, Indiana

Environmental Quality Report Card

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

Air Quality (Annual Overview)

Grade A
29.6 AQI

Yearly average AQI (2024): 29.6. National average: 41.4. 38 moderate days, 0 unhealthy days recorded.

Water Quality (Key Indicators)

Grade A
8.09 pH

Latest pH level (2024): 8.09. Ideal range: 6.5–8.5.

Facility Violations

Grade B
19 significant violations

Facilities like factories and treatment plants had 19 significant and 1261 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 1.20 mg/L <1.3 A 2/4/2025
Arsenic 1.20 mg/L <0.01 F 2/4/2025
Ammonia 0.16 mg/L <0.5 A 6/24/2024
Lead 0.00 mg/L <0.015 A 6/24/2024
Turbidity 6.49 NTU <5 C 1/29/2025
pH 8.09 6.5 - 8.5 A 1/29/2025

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
Manganese 74.50 ug/L 2/4/2025
Nitrate + Nitrite 2.70 mg/L 2/4/2025
Sulfate 73.00 mg/L 2/4/2025
Sodium 20.60 mg/L 2/4/2025
Total Phosphorus, mixed forms 0.05 mg/L 2/4/2025
Magnesium 21.70 mg/L 2/4/2025
Hardness, carbonate 355.00 mg/L 2/4/2025
Total suspended solids 11.00 mg/L 6/24/2024
Boron 25.00 ug/L 2/4/2025
Chemical oxygen demand 13.20 mg/L 12/3/2024
Chloride 38.00 mg/L 2/4/2025
Total solids 483.00 mg/L 2/4/2025
Kjeldahl nitrogen 0.60 mg/L 2/4/2025
Organic carbon 4.00 mg/L 2/4/2025
Aluminum 63.90 ug/L 2/4/2025
Nickel 1.40 ug/L 2/4/2025
Calcium 106.00 mg/L 2/4/2025
Fluoride 0.15 mg/L 2/4/2025
Total dissolved solids 431.00 mg/L 2/4/2025
Iron 362.00 ug/L 2/4/2025
Alkalinity, total 242.00 mg/L 2/4/2025
Strontium 202.00 ug/L 2/4/2025
Potassium 3.76 mg/L 2/4/2025
Barium 77.70 ug/L 2/4/2025
Chromium 1.30 ug/L 12/3/2024
Biochemical oxygen demand, standard conditions 2.90 mg/L 6/24/2024
Specific conductance 735.00 uS/cm 1/29/2025
Dissolved oxygen (DO) 12.55 mg/L 1/29/2025
Temperature, water 3.40 deg C 1/29/2025
Dissolved oxygen saturation 94.60 % 1/29/2025

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
29.6 41.4 327 38 0 91 (on 3/14/2025) 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.

3,292 monitored facilities

Total Violations: 1261

Significant Violations: 19

Total Penalties: $6,022,535

Despite 19 significant violations, Elkhart reported 1,261 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 Elkhart.
  • 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.