Home > Analysis: 1827 Calypso Cove Ct, Seabrook, TX 77586 10/10/2025

📊 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

1827 CALYPSO COVE CT SEABROOK 77586

Building Size

3,392 sqft

Total structure area from HCAD building records.

Elevation

12.84 ft

Height above sea level from USGS data.

FEMA Flood Zone

High Risk - 1% annual chance with established base flood elevation

Overall Risk

Moderate

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

Moderate

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: 2.84 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.

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.

🏭 Part 2: Industrial Pollution Exposure

Property Pollution Ranking

High

Higher pollution than 87% 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)

3.52 million lbs

Extremely High

539.4x more than typical Houston property
≈ 176 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)

3.5 million lbs

Extremely High

726.6x 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)

15 thousand 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)	3,519,025 lbs	3,503,779 lbs	14,823 lbs
Typical Houston Property (2024 Only)	2 lbs	1 lbs	0 lbs
This Property (2024 Only)	1,778,334 lbs	319,387 lbs	2,140 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 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 15% most polluted).

Top chemicals released near this property (past 10 years):

tert-Butyl alcohol, Propylene, Methanol, Toluene, Acrylic acid

View the full list of 83 chemicals below.

Chemicals Released (2014-2024, 10-Year Total) (83 chemicals)

#	Chemical	CAS#	Air (lbs, 10yr)	Water (lbs, 10yr)	Total (lbs, 10yr)
1	tert-Butyl alcohol	75-65-0	750,524	0	750,524
2	Propylene	115-07-1	571,159	0	571,159
3	Methanol	67-56-1	321,128	0	321,128
4	Toluene	108-88-3	295,552	0	295,552
5	Acrylic acid	79-10-7	248,318	0	248,318
6	Propylene oxide	75-56-9	214,778	0	214,778
7	n-Hexane	110-54-3	188,310	0	188,310
8	Ethylene	74-85-1	163,241	0	163,241
9	Ammonia	7664-41-7	158,421	0	158,421
10	Titanium tetrachloride	7550-45-0	108,195	0	108,195
11	1,3-Butadiene	106-99-0	90,529	0	90,529
12	Methyl methacrylate	80-62-6	59,716	0	59,988
13	Molybdenum trioxide	1313-27-5	51,068	0	51,068
14	Ethylene glycol	107-21-1	38,774	0	38,774
15	Isoprene	78-79-5	35,981	0	35,981
16	Certain glycol ethers	N230	34,364	0	34,364
17	Dicyclopentadiene	77-73-6	20,009	0	20,009
18	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	7647-01-0	15,293	0	15,293
19	Xylene (mixed isomers)	1330-20-7	14,816	0	14,816
20	Nitrate compounds (water dissociable; reportable only when in aqueous solution)	N511	45	14,147	14,192
21	Benzene	71-43-2	13,808	0	13,808
22	n-Butyl alcohol	71-36-3	12,460	0	12,460
23	Maleic anhydride	108-31-6	10,306	0	10,306
24	Epichlorohydrin	106-89-8	8,484	0	8,484
25	Formaldehyde	50-00-0	7,734	0	7,734
26	Naphthalene	91-20-3	6,342	0	6,342
27	Trade Secret	TRD SECRT	5,905	88	5,993
28	Dibutyl phthalate	84-74-2	5,792	0	5,792
29	Dimethylamine	124-40-3	5,764	0	5,764
30	Formic acid	64-18-6	4,909	0	4,909
31	1,2,4-Trimethylbenzene	95-63-6	4,752	0	4,752
32	Propyleneimine	75-55-8	3,701	0	3,701
33	Vinyl acetate	108-05-4	3,230	0	3,230
34	Vanadium compounds	N770	3,122	0	3,137
35	Acetonitrile	75-05-8	2,760	0	2,760
36	Zinc compounds	N982	2,402	346	2,749
37	Styrene	100-42-5	2,418	0	2,549
38	Butyl acrylate	141-32-2	2,512	0	2,512
39	Nickel And Nickel Compounds	N495	2,238	75	2,313
40	Nonylphenol	N530	1,974	0	1,974
41	Vanadium (except when contained in an alloy)	7440-62-2	1,691	0	1,691
42	Nickel compounds	N495	1,389	21	1,410
43	Ethylene oxide	75-21-8	1,303	0	1,303
44	o-Xylene	95-47-6	815	0	815
45	Ethylbenzene	100-41-4	806	0	806
46	Nonylphenol Ethoxylates	N535	773	0	773
47	Cobalt And Cobalt Compounds	N096	741	0	741
48	Nitric acid	7697-37-2	637	0	637
49	Chlorobenzene	108-90-7	583	0	583
50	Acetaldehyde	75-07-0	504	0	504
51	Cobalt compounds	N096	454	0	454
52	Diethanolamine	111-42-2	414	0	414
53	Acrolein	107-02-8	402	0	402
54	Cumene	98-82-8	384	0	384
55	Hydroquinone	123-31-9	355	0	355
56	Phosphorus (yellow or white)	12185-10-3	250	0	250
57	Benzyl chloride	100-44-7	228	0	228
58	Di(2-ethylhexyl) phthalate	117-81-7	222	0	222
59	Butyraldehyde	123-72-8	186	0	186
60	Antimony And Antimony Compounds	N010	85	77	161
61	4,4'-Isopropylidenediphenol	80-05-7	141	0	141
62	Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)	N090	102	14	116
63	Acrylonitrile	107-13-1	85	0	85
64	Diethyl sulfate	64-67-5	85	0	85
65	Antimony compounds	N010	44	25	69
66	Lead And Lead Compounds	N420	33	3	37
67	Chromium compounds (except for chromite ore mined in the Transvaal Region)	N090	30	4	34
68	Sodium nitrite	7632-00-0	33	0	33
69	Phthalic anhydride	85-44-9	27	0	27
70	Bis(2-chloroethyl) ether	111-44-4	26	0	26
71	Zinc (fume or dust)	7440-66-6	26	0	26
72	Lead compounds	N420	17	1	18
73	Copper compounds	N100	0	18	18
74	2,4-Dimethylphenol	105-67-9	17	0	17
75	Triethylamine	121-44-8	10	0	15
76	Cadmium compounds	N078	11	0	11
77	Pyridine	110-86-1	10	0	10
78	Allyl alcohol	107-18-6	10	0	10
79	Chromium	7440-47-3	7	2	9
80	Methyl acrylate	96-33-3	6	0	6
81	Lead	7439-92-1	2	0	2
82	Biphenyl	92-52-4	2	0	2
83	N-Methyl-2-pyrrolidone	872-50-4	1	0	1

Top chemicals released near this property (2024 only):

tert-Butyl alcohol, Molybdenum trioxide, Methanol, Acrylic acid, Vanadium (except when contained in an alloy)

View the full list of 54 chemicals reported within 2 miles for 2024.

Chemicals Released (2024 Only) (54 chemicals)

#	Chemical	CAS#	Air (lbs/yr)	Water (lbs/yr)	Total (lbs/yr)
1	tert-Butyl alcohol	75-65-0	101,671	0	635,087
2	Molybdenum trioxide	1313-27-5	4,957	0	227,922
3	Methanol	67-56-1	10,387	0	211,232
4	Acrylic acid	79-10-7	20,902	0	124,130
5	Vanadium (except when contained in an alloy)	7440-62-2	170	0	86,403
6	Toluene	108-88-3	26,394	0	70,794
7	Ethylene glycol	107-21-1	3,246	0	64,051
8	Xylene (mixed isomers)	1330-20-7	586	0	40,489
9	Propylene	115-07-1	39,146	0	39,522
10	Vanadium compounds	N770	67	0	39,269
11	Cobalt And Cobalt Compounds	N096	100	0	37,290
12	Propylene oxide	75-56-9	15,148	0	33,170
13	Nickel And Nickel Compounds	N495	341	26	32,206
14	n-Hexane	110-54-3	18,926	0	18,926
15	Ethylene	74-85-1	15,549	0	15,549
16	Dicyclopentadiene	77-73-6	2,368	0	14,402
17	Ammonia	7664-41-7	12,667	0	12,769
18	Methyl methacrylate	80-62-6	12,306	0	12,306
19	Titanium tetrachloride	7550-45-0	10,755	0	10,755
20	Isoprene	78-79-5	10,184	0	10,184
21	Ethylbenzene	100-41-4	94	0	9,983
22	Acetonitrile	75-05-8	24	0	4,091
23	Naphthalene	91-20-3	526	0	4,066
24	1,3-Butadiene	106-99-0	3,263	0	3,263
25	Nonylphenol	N530	551	0	2,678
26	Nitrate compounds (water dissociable; reportable only when in aqueous solution)	N511	0	2,038	2,230
27	Certain glycol ethers	N230	421	0	2,084
28	1,2,4-Trimethylbenzene	95-63-6	599	0	1,996
29	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	7647-01-0	1,840	0	1,840
30	Maleic anhydride	108-31-6	1,578	0	1,578
31	Formic acid	64-18-6	175	0	1,197
32	Dibutyl phthalate	84-74-2	496	0	1,073
33	Benzene	71-43-2	1,049	0	1,049
34	Formaldehyde	50-00-0	296	0	925
35	Epichlorohydrin	106-89-8	643	0	643
36	Nitric acid	7697-37-2	633	0	633
37	Styrene	100-42-5	586	0	586
38	Trade Secret	TRD SECRT	0	46	581
39	Benzyl chloride	100-44-7	119	0	379
40	Di(2-ethylhexyl) phthalate	117-81-7	222	0	222
41	Hydroquinone	123-31-9	23	0	185
42	Ethylene oxide	75-21-8	146	0	147
43	4,4'-Isopropylidenediphenol	80-05-7	1	0	146
44	Chlorobenzene	108-90-7	100	0	100
45	Antimony And Antimony Compounds	N010	26	19	62
46	Acrolein	107-02-8	28	0	38
47	Zinc compounds	N982	13	10	33
48	Propyleneimine	75-55-8	32	0	32
49	Phthalic anhydride	85-44-9	14	0	14
50	Zinc (fume or dust)	7440-66-6	9	0	9
51	Chromium	7440-47-3	4	1	5
52	Acrylonitrile	107-13-1	4	0	4
53	Lead And Lead Compounds	N420	2	1	3
54	Methyl acrylate	96-33-3	2	0	2