Sparks, Nevada

Environmental Quality Report Card

Sparks 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
18.6 AQI

Yearly average AQI (2024): 18.6. National average: 41.4. 11 moderate days, 0 unhealthy days recorded.

Facility Violations

Grade C
7 significant violations

Facilities like factories and treatment plants had 7 significant and 2459 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
Turbidity 31.00 NTU <5 F 2/26/2025
Fecal Coliform 120.00 cfu/100mL <200 A 8/12/2024
Copper 4.40 mg/L <1.3 F 2/26/2025
Mercury 0.00 mg/L <0.002 A 8/12/2024
Nitrate 0.05 mg/L <10 A 2/26/2025
Arsenic 2.20 mg/L <0.01 F 2/26/2025
Zinc 140.00 mg/L <5 F 2/26/2025

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
Magnesium 36.00 mg/L 2/26/2025
Total dissolved solids 850.00 mg/L 2/26/2025
Total suspended solids 49.00 mg/L 2/26/2025
Escherichia coli 44.80 MPN/100mL 8/12/2024
Manganese 750.00 ug/L 2/26/2025
Orthophosphate 0.04 mg/L 8/12/2024
Sulfate 670.00 mg/L 2/26/2025
Sodium 66.00 mg/L 2/26/2025
Barium 25.00 ug/L 2/26/2025
Potassium 9.30 mg/L 2/26/2025
Silica 34000.00 ug/L 2/26/2025
Alkalinity, total 44.00 mg/L 8/12/2024
Antimony 4.00 ug/L 8/12/2024
Aluminum 14.00 mg/L 2/26/2025
Nitrogen 0.10 mg/L 2/26/2025
Specific conductance 1200.00 uS/cm 2/26/2025
Iron 21.00 mg/L 2/26/2025
Lithium 560.00 ug/L 8/12/2024
Boron 120.00 ug/L 2/26/2025
Fluoride 1000.00 ug/L 2/26/2025
Phosphorus 0.03 mg/L 2/26/2025
Chloride 21.00 mg/L 2/26/2025
Calcium 94.00 mg/L 2/26/2025
Cadmium 3.00 ug/L 2/26/2025
Nickel 61.00 ug/L 2/26/2025
Thallium 2.00 ug/L 2/26/2025
Cobalt 97.00 ug/L 2/26/2025
Total Coliform 4.00 MPN/100mL 2/26/2025

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
18.6 41.4 345 11 0 75 (on 7/30/2024) 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.

3,028 monitored facilities

Total Violations: 2459

Significant Violations: 7

Total Penalties: $7,998,190

Despite 7 significant violations, Sparks reported 2,459 total violations across monitored facilities in 2024. This results in a compliance grade of C, reflecting 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 Sparks.
  • 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.