McKinney, Texas

Environmental Quality Report Card

McKinney reports moderate air quality, with AQI levels worse 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 C
53.9 AQI

Yearly average AQI (2024): 53.9. National average: 41.4. 193 moderate days, 3 unhealthy days recorded.

Water Quality (Key Indicators)

Grade A
7.85 pH

Latest pH level (2024): 7.85. Ideal range: 6.5–8.5. Oxygen level: 8.5 mg/L.

Facility Violations

Grade B
3 significant violations

Facilities like factories and treatment plants had 3 significant and 1905 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
pH 7.85 6.5 - 8.5 A 2/17/2025

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
Precipitation 0.75 in 2/15/2025
Total volatile solids 5.00 mg/L 6/17/2024
Escherichia coli 24.00 hours 12/10/2024
Precipitation, time since event 6.00 days 2/15/2025
Alkalinity, total 178.00 mg/L 12/10/2024
Temperature, air 10.50 deg C 2/17/2025
Conductivity 620.00 uS/cm 2/17/2025
Depth, Secchi disk depth 0.44 m 8/20/2024
Temperature, water 14.60 deg C 2/17/2025
Dissolved oxygen (DO) 12.30 mg/L 2/17/2025
Depth 0.40 m 2/17/2025
Transparency, Secchi tube with disk 0.28 deg C 1/30/2025
Temperature, sample 7.90 deg C 12/10/2024
Organic carbon 4.00 mg/L 12/10/2024
Sulfate 50.00 mg/L 12/10/2024
Total suspended solids 5.00 mg/L 6/17/2024
Specific conductance 544.00 uS/cm 12/10/2024
Chloride 50.00 mg/L 12/10/2024
Nitrate + Nitrite 0.73 mg/L 12/10/2024
Oxygen 8.50 mg/L 12/10/2024
Phosphorus 0.24 mg/L 12/10/2024
Nitrogen 0.33 mg/L 12/10/2024
Fluoride 0.40 mg/L 12/10/2024
Flow 10.00 cfs 12/10/2024
Chlorophyll a 1.88 ug/L 12/10/2024

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
53.9 41.4 140 193 3 130 (on 5/15/2025) 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.

5,000+ monitored facilities

Total Violations: 1905

Significant Violations: 3

Total Penalties: $3,902,727

Despite 3 significant violations, McKinney reported 1,905 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 McKinney.
  • 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.