Home > Analysis: 1716 Maryland St A, Baytown, TX 77520 10/21/2025

📊 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

1716 MARYLAND AVE A BAYTOWN 77520

Building Size

1,853 sqft

Total structure area from HCAD building records.

Elevation

17.37 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: 7.37 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

Very High

Higher pollution than 95% 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)

39.58 million lbs

Extremely High

6066.8x more than typical Houston property
≈ 2.0K 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)

34.14 million lbs

Extremely High

7079.8x 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)

5.36 million lbs

Extremely 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)	39,581,435 lbs	34,141,180 lbs	5,363,457 lbs
Typical Houston Property (2024 Only)	2 lbs	1 lbs	0 lbs
This Property (2024 Only)	3,592,655 lbs	3,017,974 lbs	538,423 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 95% 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), Propylene, Ammonia, Ethylene, Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)

View the full list of 57 chemicals below.

Chemicals Released (2014-2024, 10-Year Total) (57 chemicals)

#	Chemical	CAS#	Air (lbs, 10yr)	Water (lbs, 10yr)	Total (lbs, 10yr)
1	Nitrate compounds (water dissociable; reportable only when in aqueous solution)	N511	0	4,399,333	4,399,333
2	Propylene	115-07-1	4,359,036	0	4,359,036
3	Ammonia	7664-41-7	3,658,940	387,839	4,046,779
4	Ethylene	74-85-1	3,573,000	0	3,573,000
5	Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	7664-93-9	3,411,391	0	3,411,391
6	Toluene	108-88-3	3,046,129	14,173	3,060,768
7	Methanol	67-56-1	2,425,279	269,340	2,694,619
8	n-Hexane	110-54-3	2,471,404	0	2,471,404
9	Xylene (mixed isomers)	1330-20-7	2,329,934	20,482	2,357,756
10	Hydrogen cyanide	74-90-8	1,510,019	829	1,513,810
11	Chloromethane	74-87-3	1,074,282	652	1,074,934
12	Carbonyl sulfide	463-58-1	873,766	0	873,766
13	Benzene	71-43-2	776,379	2,272	778,723
14	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	7647-01-0	647,016	0	647,016
15	1,3-Butadiene	106-99-0	630,223	0	630,223
16	Hydrogen sulfide	7783-06-4	578,212	60	578,272
17	Formaldehyde	50-00-0	537,496	0	537,496
18	Methyl isobutyl ketone	108-10-1	333,555	178	333,733
19	Phenol	108-95-2	285,478	8,822	294,327
20	Ethylbenzene	100-41-4	273,088	2,006	277,005
21	tert-Butyl alcohol	75-65-0	240,653	0	240,653
22	Naphthalene	91-20-3	224,987	6,885	232,058
23	Zinc compounds	N982	83,134	65,464	198,083
24	Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)	N090	11,406	158,317	170,325
25	Phenanthrene	85-01-8	131,219	0	131,538
26	Cyclohexane	110-82-7	104,694	1,287	105,981
27	Isoprene	78-79-5	90,242	4,521	94,763
28	N-Methyl-2-pyrrolidone	872-50-4	82,190	0	82,190
29	Chlorodifluoromethane (HCFC-22)	75-45-6	63,722	0	63,722
30	Nickel And Nickel Compounds	N495	48,544	5,946	59,319
31	1,2,4-Trimethylbenzene	95-63-6	53,985	0	53,985
32	Styrene	100-42-5	40,158	0	40,158
33	Nickel compounds	N495	24,928	4,457	34,308
34	Tetrachloroethylene	127-18-4	28,600	0	28,600
35	Cumene	98-82-8	26,409	328	26,737
36	Dicyclopentadiene	77-73-6	22,794	0	22,794
37	N,N-Dimethylformamide	68-12-2	22,560	0	22,560
38	Chlorine	7782-50-5	14,610	6,920	21,530
39	Carbon disulfide	75-15-0	14,311	0	14,311
40	Lead And Lead Compounds	N420	3,655	1,169	6,290
41	Lead compounds	N420	1,635	1,453	4,723
42	Polycyclic aromatic compounds	N590	4,317	0	4,443
43	Cyanide compounds	N106	2,620	305	2,925
44	Mercury And Mercury Compounds	N458	2,126	4	2,133
45	Mercury compounds	N458	1,367	27	1,400
46	Copper compounds	N100	700	390	1,219
47	Cobalt compounds	N096	207	0	399
48	Anthracene	120-12-7	192	0	216
49	Cobalt And Cobalt Compounds	N096	123	0	145
50	Bromine	7726-95-6	135	0	135
51	Dibutyl phthalate	84-74-2	120	0	120
52	Vanadium compounds	N770	102	0	102
53	Benzo[g,h,i]perylene	191-24-2	11	0	84
54	Certain glycol ethers	N230	66	0	66
55	Ethylene glycol	107-21-1	25	0	25
56	Dioxin and dioxin-like compounds	N150	3	0	3
57	Lead	7439-92-1	1	0	1

Top chemicals released near this property (2024 only):

Toluene, Nitrate compounds (water dissociable; reportable only when in aqueous solution), Ammonia, Propylene, Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)

View the full list of 41 chemicals reported within 2 miles for 2024.

Chemicals Released (2024 Only) (41 chemicals)

#	Chemical	CAS#	Air (lbs/yr)	Water (lbs/yr)	Total (lbs/yr)
1	Toluene	108-88-3	507,200	5,873	520,442
2	Nitrate compounds (water dissociable; reportable only when in aqueous solution)	N511	0	454,064	454,064
3	Ammonia	7664-41-7	386,271	32,227	418,498
4	Propylene	115-07-1	341,000	0	341,000
5	Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	7664-93-9	309,018	0	309,018
6	Ethylene	74-85-1	292,300	0	292,300
7	Xylene (mixed isomers)	1330-20-7	193,000	10,203	205,234
8	n-Hexane	110-54-3	178,320	0	178,320
9	Hydrogen cyanide	74-90-8	160,000	120	160,915
10	Chloromethane	74-87-3	153,400	3	153,403
11	Carbonyl sulfide	463-58-1	73,236	0	73,236
12	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	7647-01-0	64,534	0	64,534
13	Benzene	71-43-2	63,800	617	64,441
14	Methanol	67-56-1	30,698	32,100	62,825
15	Formaldehyde	50-00-0	53,750	0	53,750
16	Hydrogen sulfide	7783-06-4	50,236	0	50,369
17	1,3-Butadiene	106-99-0	43,840	0	43,840
18	Ethylbenzene	100-41-4	26,000	484	27,329
19	tert-Butyl alcohol	75-65-0	18,770	0	18,770
20	Vanadium compounds	N770	1	0	15,801
21	Cyclohexane	110-82-7	14,906	453	15,359
22	Nickel And Nickel Compounds	N495	7,861	841	12,089
23	N-Methyl-2-pyrrolidone	872-50-4	8,300	0	8,300
24	Naphthalene	91-20-3	5,984	521	7,389
25	Phenol	108-95-2	6,011	220	6,235
26	Isoprene	78-79-5	5,354	521	5,875
27	N,N-Dimethylformamide	68-12-2	5,800	0	5,800
28	Styrene	100-42-5	4,200	0	4,203
29	Tetrachloroethylene	127-18-4	3,400	0	3,400
30	Phenanthrene	85-01-8	519	0	2,831
31	Cumene	98-82-8	2,691	88	2,780
32	Lead And Lead Compounds	N420	590	88	1,867
33	Dicyclopentadiene	77-73-6	1,800	0	1,800
34	Chlorine	7782-50-5	1,400	0	1,400
35	1,2,4-Trimethylbenzene	95-63-6	1,399	0	1,399
36	Mercury And Mercury Compounds	N458	361	0	1,351
37	Chlorodifluoromethane (HCFC-22)	75-45-6	1,278	0	1,278
38	Polycyclic aromatic compounds	N590	538	0	774
39	Benzo[g,h,i]perylene	191-24-2	1	0	218
40	Carbon disulfide	75-15-0	200	0	200
41	Anthracene	120-12-7	6	0	16