📊 Environmental Assessment Report

This comprehensive report analyzes both flood risk and industrial pollution exposure for this property. The assessment combines multiple data sources including USGS elevation, FEMA flood zones, historical storm modeling, and EPA Toxic Release Inventory records.

🌊 Part 1: Flood Risk Analysis

Property Overview

This section shows the fundamental characteristics of the property, including its elevation above sea level, FEMA flood zone designation, and our calculated overall flood risk rating based on historical data and topographic analysis.

Address

1009 DANUBE ST HOUSTON 77051

Building Size

1,500 sqft

Total structure area from HCAD building records.

Elevation

42.29 ft

Height above sea level from USGS data.

FEMA Flood Zone

Moderate to Low Risk - Outside 500-year floodplain

Overall Risk

Very Low

Risk based on FEMA zone and simulation.

Risk Assessment Outputs

These detailed metrics show the technical outputs from our flood risk model. They include predicted water depths at the property during a 5000-year flood event and estimated flood damage based on USACE methodology.

Risk Rating

Very Low

Flood Depth

0 ft ±0.5 ft

No flooding at current water level.

Water Surface Elevation (WSE)

N/A

Water surface elevation data not available.

Area Inundated

N/A

Data not available

Nearest Bayou Stage

N/A

No nearby bayou within monitoring range

Depth-Damage Estimate (HCAD Valuation)

Property not flooded at current water level. No damage to calculate.

Depth-Damage Estimate (Neighborhood Comparison)

Property not flooded at current water level. No damage to calculate.

Analysis Method

COG Bathtub Model

Raster-based flood inundation query

Flood Simulation

This simulation shows whether the property would flood based on a 5000-year flood event with 3m (9.84ft) water level. Use the interactive tool to explore different scenarios.

✅ Property Would Be Safe

Safety Margin: 32.29 feet
Severity: Safe

Adjust Flood Simulation

The analysis above uses default settings (5000-year flood, 3m/9.84ft water level). To explore different flood scenarios with interactive maps, return to the main tool:

Open Interactive Analysis Tool

Flood Risk Recommendations

Based on the property's flood risk profile, here are specific action items to consider.

FEMA Zone X (minimal hazard) - flood insurance available at preferred rates.
Review the interactive flood simulator to understand how different rainfall events could affect this property.
Contact Harris County Flood Control District (HCFCD) for drainage projects and flood information.

🏭 Part 2: Industrial Pollution Exposure

Property Pollution Ranking

Moderate

Higher pollution than 72% of Houston homes

This ranking compares pollution levels within 2 miles of this property against 10,000 randomly sampled Houston metro properties. Lower percentiles indicate higher pollution exposure.

Industrial Pollution Nearby (Last 10 Years)

295 thousand lbs

High

45.2x more than typical Houston property
≈ 15 dump trucks of chemicals within 2 miles

Total chemical releases from all industrial facilities within a 2-mile radius over the past decade (2014–2024). Data from EPA's Toxic Release Inventory tracking air, water, and land discharges.

💨 Air Pollution (Last 10 Years)

295 thousand lbs

Very High

61.2x more than typical Houston property

Chemicals released into the air from nearby facilities over 10 years. Includes both fugitive emissions (leaks, evaporation) and stack emissions (smokestacks, vents). May affect local air quality.

💧 Water Pollution (Last 10 Years)

0 lbs

None

Chemical discharges to surface water (bayous, streams, drainage) from industrial facilities within 2 miles over the past decade. May impact local waterways and drainage systems.

❤️ Why It Matters

High chemical activity nearby can indicate industrial zones, truck traffic, or potential odor and noise issues. These factors may affect air quality, long-term property desirability, and neighborhood character. This data helps you understand the industrial footprint around your property.

🏙️ Houston Metro Benchmarks

Comparison with typical Houston properties (based on 10,000 randomly sampled homes). All measurements are for chemicals released within a 2-mile radius.

Period	Total	Air
Typical Houston Property (2014-2024)	6,524 lbs	4,822 lbs
This Property (2014-2024)	295,164 lbs	295,164 lbs
Typical Houston Property (2024 Only)	2 lbs	1 lbs
This Property (2024 Only)	84,600 lbs	5,606 lbs

📊 How This Property Compares to Houston Metro

Based on a random sample of 10,000 Houston properties, this chart shows the distribution of pollution levels across the metro area. The highlighted bar indicates where this property falls compared to other homes. Lower percentiles mean higher pollution exposure.

0-9thMost Polluted

9.9%

10-19th

10.1%

20-29th

9.9%

30-39th

10.1%

40-49th

9.7%

50-59th

10.2%

60-69th

70-79th

5.8%

80-89th

4.3%

90-100thLowest Pollution

34.2%

Higher pollution than 72% of Houston homes

Each bar's width represents the percentage of Houston homes in that pollution range. This property ranks in the 20-29th percentile (top 25% most polluted).

Top chemicals released near this property (past 10 years):

Styrene, Phthalic anhydride, n-Butyl alcohol, Methyl isobutyl ketone, Maleic anhydride

View the full list of 23 chemicals below.

Chemicals Released (2014-2024, 10-Year Total) (23 chemicals)

#	Chemical	CAS#	Air (lbs, 10yr)	Total (lbs, 10yr)
1	Styrene	100-42-5	139,804 lbs	139,804 lbs
2	Phthalic anhydride	85-44-9	66,516 lbs	66,516 lbs
3	n-Butyl alcohol	71-36-3	22,867 lbs	22,867 lbs
4	Methyl isobutyl ketone	108-10-1	13,946 lbs	13,946 lbs
5	Maleic anhydride	108-31-6	13,631 lbs	13,631 lbs
6	Ethylene glycol	107-21-1	12,972 lbs	12,972 lbs
7	Toluene	108-88-3	10,432 lbs	10,432 lbs
8	Xylene (mixed isomers)	1330-20-7	6,229 lbs	6,229 lbs
9	Methyl methacrylate	80-62-6	3,015 lbs	3,015 lbs
10	Phenol	108-95-2	2,085 lbs	2,085 lbs
11	Ethylbenzene	100-41-4	1,325 lbs	1,325 lbs
12	1,2,4-Trimethylbenzene	95-63-6	838 lbs	838 lbs
13	Ammonia	7664-41-7	777 lbs	777 lbs
14	n-Hexane	110-54-3	291 lbs	291 lbs
15	Naphthalene	91-20-3	282 lbs	282 lbs
16	Methanol	67-56-1	35 lbs	35 lbs
17	Cumene	98-82-8	32 lbs	32 lbs
18	Nitric acid	7697-37-2	30 lbs	30 lbs
19	Zinc compounds	N982	30 lbs	30 lbs
20	Vanadium compounds	N770	10 lbs	10 lbs
21	Chlorine	7782-50-5	10 lbs	10 lbs
22	4,4'-Isopropylidenediphenol	80-05-7	6 lbs	6 lbs
23	Polycyclic aromatic compounds	N590	1 lbs	1 lbs

Top chemicals released near this property (2024 only):

Xylene (mixed isomers), Ethylene glycol, Ethylbenzene, Styrene, Toluene

View the full list of 11 chemicals reported within 2 miles for 2024.

Chemicals Released (2024 Only) (11 chemicals)

#	Chemical	CAS#	Air (lbs/yr)	Total (lbs/yr)
1	Xylene (mixed isomers)	1330-20-7	16 lbs	33,775 lbs
2	Ethylene glycol	107-21-1	7 lbs	32,304 lbs
3	Ethylbenzene	100-41-4	3 lbs	7,925 lbs
4	Styrene	100-42-5	2,610 lbs	4,072 lbs
5	Toluene	108-88-3	505 lbs	3,735 lbs
6	Phthalic anhydride	85-44-9	1,461 lbs	1,622 lbs
7	Methyl isobutyl ketone	108-10-1	641 lbs	641 lbs
8	Phenol	108-95-2	329 lbs	329 lbs
9	Maleic anhydride	108-31-6	31 lbs	192 lbs
10	4,4'-Isopropylidenediphenol	80-05-7	6 lbs	6 lbs
11	Nickel	7440-02-0	0 lbs	1 lbs