Home > Analysis: 2309 Neches Dr, Deer Park, TX 77536 09/15/2025

📊 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

2309 NECHES DR DEER PARK 77536

Building Size

3,585 sqft

Total structure area from HCAD building records.

Elevation

28.15 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: 18.15 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

High

Higher pollution than 85% 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)

2.26 million lbs

Extremely High

346.4x more than typical Houston property
≈ 113 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)

1.84 million lbs

Extremely High

381.1x 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)

858 lbs

High

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	Water
Typical Houston Property (2014-2024)	6,524 lbs	4,822 lbs	0 lbs
This Property (2014-2024)	2,260,101 lbs	1,837,763 lbs	858 lbs
Typical Houston Property (2024 Only)	2 lbs	1 lbs	0 lbs
This Property (2024 Only)	575,268 lbs	176,623 lbs	273 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 85% of Houston homes

Each bar's width represents the percentage of Houston homes in that pollution range. This property ranks in the 10-19th percentile (top 15% most polluted).

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

Propylene, Ammonia, n-Hexane, Ethylene, Methanol

View the full list of 30 chemicals below.

Chemicals Released (2014-2024, 10-Year Total) (30 chemicals)

#	Chemical	CAS#	Air (lbs, 10yr)	Water (lbs, 10yr)	Total (lbs, 10yr)
1	Propylene	115-07-1	891,483	0	891,483
2	Ammonia	7664-41-7	101,936	452	523,868
3	n-Hexane	110-54-3	433,619	0	433,619
4	Ethylene	74-85-1	287,527	0	287,527
5	Methanol	67-56-1	43,256	0	43,256
6	Formaldehyde	50-00-0	16,402	0	16,402
7	Chlorobenzene	108-90-7	16,036	0	16,036
8	Chloroethane	75-00-3	13,375	0	13,375
9	Cyclohexane	110-82-7	12,948	0	12,948
10	Zinc compounds	N982	6,608	407	7,015
11	Toluene	108-88-3	5,877	0	5,877
12	Diisocyanates	N120	4,282	0	4,282
13	Certain glycol ethers	N230	1,237	0	1,237
14	Isoprene	78-79-5	923	0	923
15	Hydrogen cyanide	74-90-8	596	0	596
16	Aluminum (fume or dust)	7429-90-5	462	0	462
17	Acrylic acid	79-10-7	348	0	348
18	Chloromethane	74-87-3	326	0	326
19	Boron trifluoride	7637-07-2	239	0	239
20	Diethanolamine	111-42-2	57	0	57
21	Methyl acrylate	96-33-3	47	0	47
22	Ethyl acrylate	140-88-5	35	0	35
23	Triethylamine	121-44-8	34	0	34
24	Butyl acrylate	141-32-2	28	0	28
25	Manganese compounds	N450	26	0	26
26	Methyl methacrylate	80-62-6	25	0	25
27	Diphenylamine	122-39-4	10	0	10
28	1,2,4-Trimethylbenzene	95-63-6	10	0	10
29	Xylene (mixed isomers)	1330-20-7	6	0	6
30	N-Methyl-2-pyrrolidone	872-50-4	3	0	3

Top chemicals released near this property (2024 only):

Ammonia, Propylene, n-Hexane, Ethylene, Polycyclic aromatic compounds

View the full list of 17 chemicals reported within 2 miles for 2024.

Chemicals Released (2024 Only) (17 chemicals)

#	Chemical	CAS#	Air (lbs/yr)	Water (lbs/yr)	Total (lbs/yr)
1	Ammonia	7664-41-7	20,523	250	407,895
2	Propylene	115-07-1	83,354	0	83,354
3	n-Hexane	110-54-3	31,953	0	33,295
4	Ethylene	74-85-1	30,290	0	30,290
5	Polycyclic aromatic compounds	N590	0	0	3,621
6	Formaldehyde	50-00-0	3,363	0	3,363
7	Zinc compounds	N982	426	23	3,095
8	Cyclohexane	110-82-7	1,566	0	2,461
9	Toluene	108-88-3	1,372	0	2,277
10	Diisocyanates	N120	1,843	0	1,843
11	Ethyl acrylate	140-88-5	6	0	1,809
12	Chloroethane	75-00-3	1,429	0	1,429
13	Certain glycol ethers	N230	326	0	326
14	Acrylic acid	79-10-7	127	0	127
15	Benzo[g,h,i]perylene	191-24-2	0	0	38
16	Aluminum (fume or dust)	7429-90-5	26	0	26
17	Boron trifluoride	7637-07-2	20	0	20