Data-driven insights for local properties

📊 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
0 S SHELDON RD HOUSTON 77015
Elevation
4.28 ft
Height above sea level from USGS data.
FEMA Flood Zone
AE
High Risk - 1% annual chance with established base flood elevation
Overall Risk
High
Property flooded at 5.7ft depth. Risk based on flood depth at structure.

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
High
Flood Depth
5.72 ft ±0.5 ft
Depth of water above ground 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)
$0
Vacant lot (no building data). No structure to calculate damage for.
Depth-Damage Estimate (Neighborhood Comparison)
$0
Vacant lot (no building data). No structure to calculate damage for.
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 Flooded
Flood Depth: 5.72 feet
Severity: Severe

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.

  • This property is in a high-risk flood zone. Flood insurance is required for mortgages.
  • Consider flood mitigation measures like elevated utilities and flood vents.
  • 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.
  • Simulation shows flooding at current water level - review property drainage and consider mitigation.

🏭 Part 2: Industrial Pollution Exposure

Property Pollution Ranking
High
Higher pollution than 82% 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)
1.34 million lbs
Extremely High
205.0x more than typical Houston property
≈ 67 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)
1.33 million lbs
Extremely High
276.2x 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)
6 thousand lbs
Very High
Most Houston properties have none nearby
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.

PeriodTotalAirWater
Typical Houston Property (2014-2024)6,524 lbs4,822 lbs0 lbs
This Property (2014-2024)1,337,323 lbs1,331,710 lbs5,613 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)437,925 lbs185,414 lbs444 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
6%
70-79th
5.8%
80-89th
4.3%
90-100thLowest Pollution
34.2%
Higher pollution than 82% 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):

Ethylene glycol, Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), 1,2,4-Trimethylbenzene, 1,2-Dichloroethane, Xylene (mixed isomers)

View the full list of 61 chemicals below.

Chemicals Released (2014-2024, 10-Year Total) (61 chemicals)

#ChemicalCAS#Air (lbs, 10yr)Water (lbs, 10yr)Total (lbs, 10yr)
1Ethylene glycol107-21-1343,060 lbs0 lbs343,060 lbs
2Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-0166,995 lbs0 lbs166,995 lbs
31,2,4-Trimethylbenzene95-63-6132,436 lbs2 lbs135,230 lbs
41,2-Dichloroethane107-06-2125,688 lbs0 lbs125,688 lbs
5Xylene (mixed isomers)1330-20-776,361 lbs17 lbs83,842 lbs
6n-Butyl alcohol71-36-366,901 lbs6 lbs66,907 lbs
7Methyl tert-butyl ether1634-04-444,474 lbs263 lbs44,737 lbs
8Vinyl chloride75-01-444,423 lbs0 lbs44,423 lbs
9Certain glycol ethersN23036,305 lbs0 lbs36,305 lbs
10Ethylene74-85-134,432 lbs0 lbs34,432 lbs
11n-Hexane110-54-328,779 lbs0 lbs31,222 lbs
12Isobutyraldehyde78-84-227,782 lbs0 lbs27,782 lbs
13Naphthalene91-20-322,164 lbs1 lbs24,330 lbs
14Cyclohexane110-82-718,082 lbs7 lbs23,673 lbs
15Toluene108-88-319,162 lbs92 lbs22,395 lbs
16Methyl isobutyl ketone108-10-119,125 lbs3,068 lbs22,193 lbs
17Ethylbenzene100-41-416,670 lbs4 lbs17,516 lbs
18tert-Butyl alcohol75-65-015,928 lbs1,309 lbs17,237 lbs
19Vinyl acetate108-05-416,160 lbs87 lbs16,247 lbs
20Methyl methacrylate80-62-614,790 lbs0 lbs14,790 lbs
21Benzene71-43-211,297 lbs84 lbs12,952 lbs
221,3-Butadiene106-99-012,796 lbs0 lbs12,796 lbs
23Methanol67-56-111,240 lbs308 lbs11,548 lbs
24Chlorine7782-50-59,222 lbs0 lbs9,222 lbs
25Propylene115-07-13,013 lbs0 lbs3,013 lbs
26Chromium7440-47-32,629 lbs102 lbs2,731 lbs
27Styrene100-42-52,528 lbs0 lbs2,528 lbs
281,1,2-Trichloroethane79-00-51,537 lbs0 lbs1,537 lbs
29Chromium compounds (except for chromite ore mined in the Transvaal Region)N0901,236 lbs41 lbs1,277 lbs
30Bis(2-chloroethyl) ether111-44-4950 lbs0 lbs950 lbs
31Ethyl acrylate140-88-5728 lbs0 lbs728 lbs
32Hydrogen sulfide7783-06-4726 lbs0 lbs726 lbs
33Chloroform67-66-3638 lbs0 lbs638 lbs
34Trichloroethylene79-01-6613 lbs0 lbs613 lbs
35Nickel7440-02-0421 lbs106 lbs527 lbs
36Dicyclopentadiene77-73-6379 lbs0 lbs379 lbs
37Pentachloroethane76-01-7323 lbs0 lbs323 lbs
38Chloroethane75-00-3284 lbs0 lbs284 lbs
39Antimony compoundsN010235 lbs0 lbs235 lbs
401,1,2,2-Tetrachloroethane79-34-5219 lbs0 lbs219 lbs
41Butyraldehyde123-72-8218 lbs0 lbs218 lbs
42Tetrachloroethylene127-18-4163 lbs0 lbs163 lbs
43Cumene98-82-8107 lbs0 lbs108 lbs
44Manganese7439-96-559 lbs22 lbs81 lbs
45Chlorobenzene108-90-777 lbs0 lbs77 lbs
461,2-Dichloroethylene540-59-075 lbs0 lbs75 lbs
47Copper7440-50-815 lbs43 lbs58 lbs
48Chloroprene126-99-855 lbs0 lbs55 lbs
49sec-Butyl alcohol78-92-255 lbs0 lbs55 lbs
50Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N0900 lbs40 lbs40 lbs
51Ethylidene dichloride75-34-337 lbs0 lbs37 lbs
52Lead compoundsN42025 lbs4 lbs29 lbs
53Carbon tetrachloride56-23-527 lbs0 lbs27 lbs
54Hexachloroethane67-72-116 lbs0 lbs16 lbs
55Vinylidene chloride75-35-415 lbs0 lbs15 lbs
562-Methoxyethanol109-86-413 lbs0 lbs13 lbs
57Lead7439-92-13 lbs7 lbs10 lbs
58trans-1,4-Dichloro-2-butene110-57-67 lbs0 lbs7 lbs
59Zinc compoundsN9825 lbs0 lbs6 lbs
60Hexachlorobenzene118-74-15 lbs0 lbs5 lbs
61Biphenyl92-52-43 lbs0 lbs3 lbs

Top chemicals released near this property (2024 only):

Isobutyraldehyde, Ethylene glycol, Styrene, Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region), n-Butyl alcohol

View the full list of 49 chemicals reported within 2 miles for 2024.

Chemicals Released (2024 Only) (49 chemicals)

#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Isobutyraldehyde78-84-22,245 lbs0 lbs146,162 lbs
2Ethylene glycol107-21-1110,903 lbs0 lbs110,903 lbs
3Styrene100-42-530 lbs0 lbs78,726 lbs
4Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N0900 lbs11 lbs15,941 lbs
5n-Butyl alcohol71-36-39,478 lbs0 lbs15,049 lbs
6Xylene (mixed isomers)1330-20-76,673 lbs0 lbs9,293 lbs
71,2-Dichloroethane107-06-28,530 lbs0 lbs8,530 lbs
81,2,4-Trimethylbenzene95-63-67,218 lbs0 lbs7,218 lbs
9Methyl tert-butyl ether1634-04-45,649 lbs56 lbs5,705 lbs
10Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-04,912 lbs0 lbs4,912 lbs
11Methyl methacrylate80-62-6914 lbs0 lbs4,571 lbs
12n-Hexane110-54-34,148 lbs0 lbs4,148 lbs
13Naphthalene91-20-32,730 lbs0 lbs4,120 lbs
14Vinyl acetate108-05-43,246 lbs0 lbs3,246 lbs
15Vinyl chloride75-01-43,130 lbs0 lbs3,130 lbs
16Certain glycol ethersN2302,726 lbs0 lbs2,726 lbs
17Toluene108-88-32,332 lbs0 lbs2,455 lbs
18Ethylene74-85-11,832 lbs0 lbs1,832 lbs
19Benzene71-43-21,565 lbs0 lbs1,647 lbs
20Ethylbenzene100-41-41,613 lbs0 lbs1,631 lbs
21tert-Butyl alcohol75-65-01,168 lbs273 lbs1,441 lbs
22Cyclohexane110-82-71,189 lbs0 lbs1,244 lbs
23Methyl isobutyl ketone108-10-1804 lbs52 lbs856 lbs
24Chlorine7782-50-5638 lbs0 lbs638 lbs
251,3-Butadiene106-99-0433 lbs0 lbs433 lbs
26Propylene115-07-1316 lbs0 lbs316 lbs
27Chromium7440-47-3136 lbs32 lbs167 lbs
281,1,2-Trichloroethane79-00-5166 lbs0 lbs166 lbs
29Ethyl acrylate140-88-5117 lbs0 lbs117 lbs
30Methanol67-56-1115 lbs0 lbs115 lbs
31Bis(2-chloroethyl) ether111-44-496 lbs0 lbs96 lbs
32Nickel7440-02-036 lbs20 lbs57 lbs
33sec-Butyl alcohol78-92-255 lbs0 lbs55 lbs
34Chloroform67-66-344 lbs0 lbs44 lbs
35Trichloroethylene79-01-643 lbs0 lbs43 lbs
36Dicyclopentadiene77-73-637 lbs0 lbs37 lbs
37Pentachloroethane76-01-736 lbs0 lbs36 lbs
38Cumene98-82-825 lbs0 lbs27 lbs
391,1,2,2-Tetrachloroethane79-34-524 lbs0 lbs24 lbs
40Chloroethane75-00-321 lbs0 lbs21 lbs
41Chlorobenzene108-90-714 lbs0 lbs14 lbs
42Tetrachloroethylene127-18-412 lbs0 lbs12 lbs
43Lead And Lead CompoundsN4200 lbs0 lbs7 lbs
441,2-Dichloroethylene540-59-05 lbs0 lbs5 lbs
45Carbon tetrachloride56-23-54 lbs0 lbs4 lbs
46Chloroprene126-99-83 lbs0 lbs3 lbs
47Hexachloroethane67-72-12 lbs0 lbs2 lbs
48Ethylidene dichloride75-34-31 lbs0 lbs1 lbs
49Hexachlorobenzene118-74-11 lbs0 lbs1 lbs

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