Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 11607 Flintlock Rd, La Porte, TX 77571

HCAD #0820020000014
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🌍Environmental Assessment

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.

🌊Flood Risk Analysis
FEMA Zone X
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
11607 Flintlock Rd, La Porte, TX 77571
Building Size
5,471sqft
Total structure area from HCAD building records.
Elevation
21.2 ft
Height above sea level from USGS data.
FEMA Flood Zone
X
Moderate to Low Risk - Outside 500-year floodplain
Overall Risk
Very High
Property flooded at 9.84ft depth.
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 High
Flood Depth
9.84 ft±0.5 ft
Depth of water above ground level.
Water Surface Elevation (WSE)
31.04 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
294.9 acres
100.0% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$270,179
Based on HCAD building value of $415,660.
Depth-Damage (Neighborhood)
$285,665
Based on neighborhood replacement cost.
Analysis Method
COG Combined 5000 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: 9.84 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.

#1
Minimal flood hazard area - property outside mapped high-risk zones
#2
Flood insurance available at preferred rates - over 25% of claims occur in low-risk areas
#3
Review official FEMA Flood Insurance Rate Map (FIRM) for detailed flood zone boundaries
#4
Contact Harris County Flood Control District (HCFCD) for drainage projects and flood information
🏭Industrial Pollution Exposure
15.5th percentile
Property Pollution Ranking
High
Higher pollution than 85% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
2.06 millionlbs
Extremely High
315.5x more than typical Houston property
≈ 103 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
2.06 millionlbs
Extremely High
426.8x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
170lbs
High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
16
Industrial facilities within 2 miles
💡
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)2,058,434 lbs2,058,264 lbs170 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)253,553 lbs253,553 lbs0 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 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 chemicals released near this property (past 10 years):
n-Hexane, Ethylene, Methanol, Ammonia, Hydroquinone
View the full list of 43 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(43 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1n-Hexane110-54-31,013,131 lbs0 lbs1,013,131 lbs
2Ethylene74-85-1427,145 lbs0 lbs427,145 lbs
3Methanol67-56-1188,876 lbs0 lbs188,876 lbs
4Ammonia7664-41-7106,624 lbs68 lbs106,692 lbs
5Hydroquinone123-31-942,495 lbs0 lbs42,495 lbs
6Propylene115-07-141,301 lbs0 lbs41,301 lbs
7Formaldehyde50-00-036,691 lbs102 lbs36,794 lbs
8Methyl isobutyl ketone108-10-136,313 lbs0 lbs36,313 lbs
9Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-033,058 lbs0 lbs33,058 lbs
10Cumene98-82-831,165 lbs0 lbs31,165 lbs
11Vinyl acetate108-05-422,306 lbs0 lbs22,306 lbs
12Acetaldehyde75-07-012,256 lbs0 lbs12,256 lbs
13Xylene (mixed isomers)1330-20-711,256 lbs0 lbs11,256 lbs
14Chlorine7782-50-511,230 lbs0 lbs11,230 lbs
15Benzene71-43-210,536 lbs0 lbs10,536 lbs
16Styrene100-42-57,344 lbs0 lbs7,344 lbs
17Chloroacetic acid79-11-84,175 lbs0 lbs4,175 lbs
18Acrylic acid79-10-73,532 lbs0 lbs3,532 lbs
19Methyl methacrylate80-62-63,052 lbs0 lbs3,052 lbs
20Ethylene oxide75-21-82,222 lbs0 lbs2,222 lbs
21Mercury7439-97-60 lbs0 lbs2,200 lbs
22Phosgene75-44-51,958 lbs0 lbs1,958 lbs
23Aluminum oxide (fibrous forms)1344-28-11,750 lbs0 lbs1,750 lbs
24Ethyl chloroformate541-41-31,467 lbs0 lbs1,467 lbs
25Methyl chlorocarbonate79-22-11,449 lbs0 lbs1,449 lbs
26sec-Butyl alcohol78-92-21,434 lbs0 lbs1,434 lbs
27n-Butyl alcohol71-36-31,165 lbs0 lbs1,165 lbs
28Diphenylamine122-39-4997 lbs0 lbs997 lbs
291,2,4-Trimethylbenzene95-63-6971 lbs0 lbs971 lbs
30Toluene108-88-3807 lbs0 lbs807 lbs
31Manganese7439-96-5511 lbs0 lbs511 lbs
32Propylene oxide75-56-9385 lbs0 lbs385 lbs
33Cyclohexane110-82-7377 lbs0 lbs377 lbs
34Ethylbenzene100-41-494 lbs0 lbs94 lbs
35Chloromethane74-87-351 lbs0 lbs51 lbs
36Chromium7440-47-345 lbs0 lbs45 lbs
37N,N-Dimethylformamide68-12-234 lbs0 lbs34 lbs
38Naphthalene91-20-333 lbs0 lbs33 lbs
39Ethylene glycol107-21-115 lbs0 lbs15 lbs
40Butyl acrylate141-32-25 lbs0 lbs5 lbs
41Bis(2-chloroethyl) ether111-44-43 lbs0 lbs3 lbs
42Certain glycol ethersN2303 lbs0 lbs3 lbs
43Maleic anhydride108-31-61 lbs0 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
n-Hexane, Ethylene, Methanol, Propylene, Ammonia
View the full list of 33 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(33 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1n-Hexane110-54-3116,540 lbs0 lbs116,540 lbs
2Ethylene74-85-172,650 lbs0 lbs72,650 lbs
3Methanol67-56-116,173 lbs0 lbs16,173 lbs
4Propylene115-07-110,535 lbs0 lbs10,535 lbs
5Ammonia7664-41-78,692 lbs0 lbs8,692 lbs
6Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-06,255 lbs0 lbs6,255 lbs
7Hydroquinone123-31-94,862 lbs0 lbs4,862 lbs
8Methyl isobutyl ketone108-10-13,997 lbs0 lbs3,997 lbs
9Formaldehyde50-00-03,562 lbs0 lbs3,562 lbs
10Cumene98-82-82,616 lbs0 lbs2,616 lbs
11Vinyl acetate108-05-42,418 lbs0 lbs2,418 lbs
12Chlorine7782-50-51,121 lbs0 lbs1,121 lbs
13Benzene71-43-21,090 lbs0 lbs1,090 lbs
14Acetaldehyde75-07-0494 lbs0 lbs494 lbs
15Ethylene oxide75-21-8483 lbs0 lbs483 lbs
16Chloroacetic acid79-11-8476 lbs0 lbs476 lbs
17Methyl methacrylate80-62-6387 lbs0 lbs387 lbs
18Aluminum oxide (fibrous forms)1344-28-1250 lbs0 lbs250 lbs
19Acrylic acid79-10-7186 lbs0 lbs186 lbs
20Ethyl chloroformate541-41-3120 lbs0 lbs120 lbs
21Styrene100-42-5116 lbs0 lbs116 lbs
22Diphenylamine122-39-4103 lbs0 lbs103 lbs
23sec-Butyl alcohol78-92-293 lbs0 lbs93 lbs
24n-Butyl alcohol71-36-375 lbs0 lbs75 lbs
251,2,4-Trimethylbenzene95-63-674 lbs0 lbs74 lbs
26Propylene oxide75-56-961 lbs0 lbs61 lbs
27Xylene (mixed isomers)1330-20-739 lbs0 lbs39 lbs
28Phosgene75-44-527 lbs0 lbs27 lbs
29Cyclohexane110-82-724 lbs0 lbs24 lbs
30Toluene108-88-316 lbs0 lbs16 lbs
31Methyl chlorocarbonate79-22-113 lbs0 lbs13 lbs
32Ethylbenzene100-41-44 lbs0 lbs4 lbs
33Ethylene glycol107-21-13 lbs0 lbs3 lbs
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