Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 4008 Tompkins Dr, Baytown, Tx 77521

HCAD #0410250070223
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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
4008 Tompkins Dr, Baytown, Tx 77521
Building Size
3,527sqft
Total structure area from HCAD building records.
Elevation
17.65 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)
27.50 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)
$284,823
Based on HCAD building value of $438,190.
Depth-Damage (Neighborhood)
$169,556
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
13.4th percentile
Property Pollution Ranking
High
Higher pollution than 87% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
3.47 millionlbs
Extremely High
531.7x more than typical Houston property
≈ 173 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
813 thousandlbs
Extremely High
168.6x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
2.66 millionlbs
Extremely High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
11
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)3,469,276 lbs813,168 lbs2,656,108 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)392,521 lbs82,677 lbs309,844 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 87% 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):
Nitrate compounds (water dissociable; reportable only when in aqueous solution), Ammonia, Methanol, Chlorobenzene, Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
View the full list of 62 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(62 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs2,578,707 lbs2,578,707 lbs
2Ammonia7664-41-7322,325 lbs69,066 lbs391,391 lbs
3Methanol67-56-187,810 lbs0 lbs87,810 lbs
4Chlorobenzene108-90-747,896 lbs163 lbs48,059 lbs
5Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-043,030 lbs0 lbs43,030 lbs
6Formaldehyde50-00-037,620 lbs0 lbs37,620 lbs
7Nitric acid7697-37-235,727 lbs0 lbs35,727 lbs
8Styrene100-42-534,808 lbs0 lbs34,808 lbs
9Cyclohexane110-82-734,434 lbs0 lbs34,434 lbs
10Aniline62-53-334,371 lbs23 lbs34,394 lbs
11Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-919,732 lbs0 lbs19,732 lbs
12Dichloromethane75-09-218,502 lbs358 lbs18,860 lbs
13Toluene108-88-316,696 lbs21 lbs16,717 lbs
14Xylene (mixed isomers)1330-20-716,329 lbs0 lbs16,329 lbs
15Benzene71-43-212,354 lbs23 lbs12,377 lbs
16Chlorine7782-50-58,463 lbs0 lbs8,463 lbs
17Nitrobenzene98-95-38,265 lbs0 lbs8,265 lbs
18Maleic anhydride108-31-68,262 lbs0 lbs8,262 lbs
19Chloroform67-66-32,786 lbs3,031 lbs5,817 lbs
201,2-Dichlorobenzene95-50-14,717 lbs6 lbs4,723 lbs
21Phosgene75-44-54,151 lbs0 lbs4,151 lbs
22Dichlorobenzene (mixed isomers)25321-22-62,948 lbs2 lbs2,950 lbs
23Chlorodifluoromethane (HCFC-22)75-45-62,717 lbs0 lbs2,717 lbs
244,4'-Isopropylidenediphenol80-05-7187 lbs2,489 lbs2,676 lbs
25Dibutyl phthalate84-74-22,436 lbs0 lbs2,436 lbs
26Ethylbenzene100-41-42,093 lbs0 lbs2,093 lbs
27Nickel7440-02-00 lbs1,939 lbs1,939 lbs
28Carbon tetrachloride56-23-5599 lbs0 lbs599 lbs
29Phenol108-95-2449 lbs104 lbs553 lbs
30Isopropyl alcohol (only persons who manufacture by the strong acid process are subject, no supplier notification)67-63-0529 lbs0 lbs529 lbs
31Methyl isobutyl ketone108-10-1422 lbs0 lbs422 lbs
32DiisocyanatesN120421 lbs0 lbs421 lbs
33Chloromethane74-87-3396 lbs0 lbs396 lbs
34n-Hexane110-54-3331 lbs0 lbs331 lbs
35Diaminotoluene (mixed isomers)25376-45-8269 lbs0 lbs269 lbs
36Dinitrotoluene (mixed isomers)25321-14-621 lbs167 lbs188 lbs
372,4-Diaminotoluene95-80-7156 lbs9 lbs165 lbs
38Methyl methacrylate80-62-6150 lbs0 lbs150 lbs
39Toluene diisocyanate (mixed isomers)26471-62-5141 lbs0 lbs141 lbs
40Formic acid64-18-699 lbs0 lbs99 lbs
414,4'-Methylenedianiline101-77-989 lbs0 lbs89 lbs
42Toluene-2,4-diisocyanate584-84-988 lbs0 lbs88 lbs
43Toluene-2,6-diisocyanate91-08-783 lbs0 lbs83 lbs
44Dimethylamine124-40-365 lbs0 lbs65 lbs
451,2,4-Trimethylbenzene95-63-638 lbs0 lbs38 lbs
46Methyl acrylate96-33-327 lbs0 lbs27 lbs
47Certain glycol ethersN23026 lbs0 lbs26 lbs
48Triethylamine121-44-819 lbs0 lbs19 lbs
49Acrylic acid79-10-719 lbs0 lbs19 lbs
50N,N-Dimethylformamide68-12-215 lbs0 lbs15 lbs
51Vinyl acetate108-05-414 lbs0 lbs14 lbs
521,4-Dichlorobenzene106-46-712 lbs0 lbs12 lbs
53o-Toluidine95-53-412 lbs0 lbs12 lbs
54Butyl acrylate141-32-26 lbs0 lbs6 lbs
55Ethylene glycol107-21-14 lbs0 lbs4 lbs
56Benzyl chloride100-44-72 lbs0 lbs2 lbs
57Lead7439-92-11 lbs0 lbs1 lbs
58Diethanolamine111-42-21 lbs0 lbs1 lbs
59Zinc compoundsN9821 lbs0 lbs1 lbs
604-Aminobiphenyl92-67-11 lbs0 lbs1 lbs
61Nickel compoundsN4951 lbs0 lbs1 lbs
62Copper compoundsN1001 lbs0 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
Nitrate compounds (water dissociable; reportable only when in aqueous solution), Ammonia, Methanol, Chlorobenzene, Aniline
View the full list of 42 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(42 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs308,727 lbs308,727 lbs
2Ammonia7664-41-732,729 lbs0 lbs32,729 lbs
3Methanol67-56-110,098 lbs0 lbs10,098 lbs
4Chlorobenzene108-90-75,807 lbs14 lbs5,821 lbs
5Aniline62-53-34,471 lbs0 lbs4,471 lbs
6Styrene100-42-53,715 lbs0 lbs3,715 lbs
7Dichloromethane75-09-23,434 lbs53 lbs3,487 lbs
8Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-03,456 lbs0 lbs3,456 lbs
9Nitric acid7697-37-23,243 lbs0 lbs3,243 lbs
10Formaldehyde50-00-03,232 lbs0 lbs3,232 lbs
11Cyclohexane110-82-72,505 lbs0 lbs2,505 lbs
12Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-92,329 lbs0 lbs2,329 lbs
13Xylene (mixed isomers)1330-20-71,915 lbs0 lbs1,915 lbs
14Toluene108-88-31,846 lbs0 lbs1,846 lbs
15Chlorine7782-50-5797 lbs0 lbs797 lbs
16Nickel7440-02-00 lbs605 lbs605 lbs
17Nitrobenzene98-95-3566 lbs0 lbs566 lbs
18Benzene71-43-2489 lbs0 lbs489 lbs
19Ethylbenzene100-41-4382 lbs0 lbs382 lbs
20Chloroform67-66-390 lbs268 lbs358 lbs
21Maleic anhydride108-31-6340 lbs0 lbs340 lbs
22Dichlorobenzene (mixed isomers)25321-22-6275 lbs0 lbs275 lbs
23Isopropyl alcohol (only persons who manufacture by the strong acid process are subject, no supplier notification)67-63-0267 lbs0 lbs267 lbs
241,2-Dichlorobenzene95-50-1232 lbs0 lbs232 lbs
25Chloromethane74-87-3200 lbs0 lbs200 lbs
264,4'-Isopropylidenediphenol80-05-711 lbs174 lbs185 lbs
27Phosgene75-44-5107 lbs0 lbs107 lbs
28n-Hexane110-54-329 lbs0 lbs29 lbs
292,4-Diaminotoluene95-80-722 lbs0 lbs22 lbs
30Phenol108-95-216 lbs3 lbs19 lbs
31Toluene-2,4-diisocyanate584-84-916 lbs0 lbs16 lbs
32Toluene diisocyanate (mixed isomers)26471-62-513 lbs0 lbs13 lbs
331,2,4-Trimethylbenzene95-63-611 lbs0 lbs11 lbs
34Toluene-2,6-diisocyanate91-08-79 lbs0 lbs9 lbs
351,4-Dichlorobenzene106-46-78 lbs0 lbs8 lbs
36DiisocyanatesN1205 lbs0 lbs5 lbs
37Diaminotoluene (mixed isomers)25376-45-83 lbs0 lbs3 lbs
38Dinitrotoluene (mixed isomers)25321-14-63 lbs0 lbs3 lbs
39Acrylic acid79-10-72 lbs0 lbs2 lbs
40Dibutyl phthalate84-74-22 lbs0 lbs2 lbs
41Methyl acrylate96-33-32 lbs0 lbs2 lbs
42Ethylene glycol107-21-11 lbs0 lbs1 lbs
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