Hammond, Indiana

Environmental Quality Report Card

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

Air Quality (Annual Overview)

Grade A
30.1 AQI

Yearly average AQI (2024): 30.1. National average: 41.4. 28 moderate days, 1 unhealthy days recorded.

Water Quality (Key Indicators)

Grade N/A
7.48 pH

Latest pH level (2024): 7.48. Ideal range: 6.5–8.5.

Facility Violations

Grade D
134 significant violations

Facilities like factories and treatment plants had 134 significant and 1177 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
Fecal Coliform 45.00 cfu/100mL <200 A 6/11/2024
pH 7.48 6.5 - 8.5 A 6/11/2024

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
Dissolved oxygen saturation 77.60 % 6/11/2024
Specific conductance 260.20 mS/cm 6/11/2024
Salinity 0.12 ppt 6/11/2024
Depth, Secchi disk depth 6.00 in 6/11/2024
Depth, bottom 28.00 in 6/11/2024
Dissolved oxygen (DO) 6.78 mg/L 6/11/2024
Temperature, water 29.13 deg C 6/11/2024

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
30.1 41.4 326 28 1 109 (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.

2,840 monitored facilities

Total Violations: 1177

Significant Violations: 134

Total Penalties: $10,639,536

Despite 134 significant violations, Hammond reported 1,177 total violations across monitored facilities in 2024. This results in a compliance grade of D, reflecting below average 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 Hammond.
  • 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.