Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 706 Loper St, Houston, Tx 77017

HCAD #0771780350047
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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
706 Loper St, Houston, Tx 77017
Building Size
1,770sqft
Total structure area from HCAD building records.
Elevation
26.69 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)
36.53 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
265.5 acres
90.0% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$65,234
Based on HCAD building value of $100,361.
Depth-Damage (Neighborhood)
$68,696
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
5.7th percentile
Property Pollution Ranking
Very High
Higher pollution than 94% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
22.91 millionlbs
Extremely High
3511.8x more than typical Houston property
≈ 1.1K dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
9.77 millionlbs
Extremely High
2025.7x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
13.14 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)22,911,814 lbs9,768,588 lbs13,143,227 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)2,805,976 lbs737,766 lbs2,068,210 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 94% of Houston homes
Each bar's width represents the percentage of Houston homes in that pollution range. This property ranks in the 0-9th percentile (top 10% most polluted).
📋
Top chemicals released near this property (past 10 years):
Nitrate compounds (water dissociable; reportable only when in aqueous solution), Hydrogen cyanide, Styrene, Ammonia, Propylene
View the full list of 56 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(56 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs13,038,121 lbs13,038,121 lbs
2Hydrogen cyanide74-90-82,226,566 lbs0 lbs2,226,566 lbs
3Styrene100-42-51,727,081 lbs7,271 lbs1,734,352 lbs
4Ammonia7664-41-71,680,518 lbs37,897 lbs1,718,415 lbs
5Propylene115-07-11,004,798 lbs0 lbs1,004,798 lbs
6n-Hexane110-54-3471,963 lbs0 lbs471,970 lbs
71,3-Butadiene106-99-0460,958 lbs1 lbs460,959 lbs
8Ethylene74-85-1311,533 lbs0 lbs311,533 lbs
9Xylene (mixed isomers)1330-20-7295,984 lbs627 lbs296,641 lbs
10Methyl tert-butyl ether1634-04-4267,534 lbs0 lbs267,534 lbs
11Benzene71-43-2265,830 lbs467 lbs266,308 lbs
12Toluene108-88-3264,062 lbs261 lbs264,347 lbs
13Hydrogen sulfide7783-06-4224,124 lbs3,527 lbs227,651 lbs
14Cyclohexane110-82-7132,771 lbs0 lbs132,780 lbs
15Ozone10028-15-6115,228 lbs0 lbs115,228 lbs
16Diethanolamine111-42-2101,560 lbs0 lbs101,560 lbs
17Methanol67-56-158,994 lbs39,325 lbs98,320 lbs
18Ethylbenzene100-41-448,609 lbs113 lbs48,730 lbs
19N,N-Dimethylformamide68-12-222,161 lbs88 lbs22,249 lbs
201,2,4-Trimethylbenzene95-63-621,046 lbs0 lbs21,060 lbs
21tert-Butyl alcohol75-65-015,270 lbs0 lbs15,270 lbs
22Sodium nitrite7632-00-00 lbs9,470 lbs9,470 lbs
23Naphthalene91-20-39,191 lbs75 lbs9,274 lbs
24Carbon disulfide75-15-08,557 lbs0 lbs8,557 lbs
25Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-96,697 lbs0 lbs6,697 lbs
26Cyanide compoundsN1065,934 lbs45 lbs5,979 lbs
27Molybdenum trioxide1313-27-55,795 lbs0 lbs5,795 lbs
28Polycyclic aromatic compoundsN5904,498 lbs525 lbs5,225 lbs
29Phenol108-95-21,635 lbs2,959 lbs4,594 lbs
30Cumene98-82-83,912 lbs0 lbs3,914 lbs
31Zinc compoundsN982219 lbs1,116 lbs2,826 lbs
32Carbonyl sulfide463-58-11,451 lbs0 lbs1,451 lbs
33Nickel compoundsN495654 lbs489 lbs1,143 lbs
34Phenanthrene85-01-8937 lbs0 lbs937 lbs
35Vanadium compoundsN77079 lbs509 lbs588 lbs
36Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7647-01-0461 lbs0 lbs461 lbs
37Lead7439-92-1260 lbs126 lbs386 lbs
38Biphenyl92-52-4345 lbs0 lbs364 lbs
39Cresol (mixed isomers)1319-77-3232 lbs0 lbs232 lbs
40Mercury compoundsN458197 lbs1 lbs199 lbs
41Nickel And Nickel CompoundsN49566 lbs123 lbs189 lbs
42Cobalt compoundsN096131 lbs24 lbs155 lbs
43Lead And Lead CompoundsN420142 lbs7 lbs149 lbs
44Chlorine7782-50-5120 lbs0 lbs120 lbs
45Mercury And Mercury CompoundsN458109 lbs0 lbs109 lbs
46Lead compoundsN42048 lbs52 lbs100 lbs
47Mercury7439-97-677 lbs0 lbs77 lbs
48Isoprene78-79-560 lbs0 lbs60 lbs
49Anthracene120-12-744 lbs0 lbs44 lbs
50Cobalt And Cobalt CompoundsN09642 lbs0 lbs42 lbs
51Antimony compoundsN01038 lbs0 lbs38 lbs
52Boron trifluoride7637-07-236 lbs0 lbs36 lbs
53Benzo[g,h,i]perylene191-24-213 lbs7 lbs20 lbs
54Chromium compounds (except for chromite ore mined in the Transvaal Region)N09011 lbs0 lbs11 lbs
55Ethylene glycol107-21-10 lbs0 lbs9 lbs
56Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N0908 lbs0 lbs8 lbs
📋
Top chemicals released near this property (2024 only):
Nitrate compounds (water dissociable; reportable only when in aqueous solution), Hydrogen cyanide, Ammonia, Styrene, Propylene
View the full list of 43 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(43 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs2,051,661 lbs2,051,661 lbs
2Hydrogen cyanide74-90-8177,459 lbs0 lbs177,459 lbs
3Ammonia7664-41-7131,645 lbs1,105 lbs132,749 lbs
4Styrene100-42-5130,944 lbs291 lbs131,236 lbs
5Propylene115-07-137,845 lbs0 lbs37,845 lbs
6n-Hexane110-54-336,195 lbs0 lbs36,195 lbs
71,3-Butadiene106-99-031,705 lbs0 lbs31,705 lbs
8Xylene (mixed isomers)1330-20-731,247 lbs10 lbs31,257 lbs
9Ozone10028-15-625,701 lbs0 lbs25,701 lbs
10Toluene108-88-322,226 lbs8 lbs22,234 lbs
11Methanol67-56-16,850 lbs14,541 lbs21,391 lbs
12Benzene71-43-220,656 lbs114 lbs20,770 lbs
13Methyl tert-butyl ether1634-04-418,336 lbs0 lbs18,336 lbs
14Ethylene74-85-117,709 lbs0 lbs17,709 lbs
15Hydrogen sulfide7783-06-413,545 lbs0 lbs13,545 lbs
16Cyclohexane110-82-711,534 lbs0 lbs11,534 lbs
17Diethanolamine111-42-210,082 lbs0 lbs10,082 lbs
18Ethylbenzene100-41-44,138 lbs5 lbs4,143 lbs
19Molybdenum trioxide1313-27-51,804 lbs0 lbs1,804 lbs
201,2,4-Trimethylbenzene95-63-61,754 lbs0 lbs1,754 lbs
21N,N-Dimethylformamide68-12-21,641 lbs0 lbs1,641 lbs
22Carbonyl sulfide463-58-11,041 lbs0 lbs1,041 lbs
23tert-Butyl alcohol75-65-01,021 lbs0 lbs1,021 lbs
24Naphthalene91-20-31,004 lbs7 lbs1,011 lbs
25Cumene98-82-8534 lbs0 lbs534 lbs
26Polycyclic aromatic compoundsN590355 lbs55 lbs410 lbs
27Sodium nitrite7632-00-00 lbs371 lbs371 lbs
28Carbon disulfide75-15-0243 lbs0 lbs243 lbs
29Phenol108-95-2164 lbs8 lbs172 lbs
30Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-9101 lbs0 lbs101 lbs
31Lead And Lead CompoundsN42096 lbs2 lbs99 lbs
32Zinc compoundsN98222 lbs27 lbs49 lbs
33Cobalt And Cobalt CompoundsN09642 lbs0 lbs42 lbs
34Phenanthrene85-01-836 lbs0 lbs36 lbs
35Biphenyl92-52-433 lbs0 lbs33 lbs
36Mercury And Mercury CompoundsN45829 lbs0 lbs30 lbs
37Benzo[g,h,i]perylene191-24-28 lbs5 lbs13 lbs
38Isoprene78-79-58 lbs0 lbs8 lbs
39Mercury7439-97-67 lbs0 lbs7 lbs
40Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)N0902 lbs0 lbs2 lbs
41Boron trifluoride7637-07-21 lbs0 lbs1 lbs
42Cresol (mixed isomers)1319-77-31 lbs0 lbs1 lbs
43Anthracene120-12-71 lbs0 lbs1 lbs
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