Flood Risk Comparison Report

(All Scales in Greenbrier County)

For comparison, this report summarizes the Cumulative Flood Risk Index as well as individual flood factors in seven major risk categories for Greenbrier County.

The indicator values for the split communities (Alderson, Huntington, Montgomery, Nitro, Paden City, Smithers, Weirton, and Wheeling) are cumulative, reflecting their both portions across the two counties in which they are located.

May 2026

Flood Risk Index Comparison

Table 1. Flood Risk Index: Below is a comparison of the Cumulative Flood Risk Index for all entities in Greenbrier County.

Table 1a: County Total

#	State Index Rank	County	CUMULATIVE FLOOD RISK INDEX
#	State Index Rank	County	Index Score	Index Rating
11	Greenbrier View on Map	81.4%	Very High

Table 1b: Incorporated Places

#	State Index Rank	Incorporated Place	County	CUMULATIVE FLOOD RISK INDEX
#	State Index Rank	Incorporated Place	County	Index Score	Index Rating
1	3	Alderson - Incorporated View on Map	Greenbrier, Monroe	99.1%	VERY HIGH
2	19	Rainelle - Incorporated View on Map	Greenbrier	92.1%	VERY HIGH
3	82	White Sulphur Springs - Incorporated View on Map	Greenbrier	64.4%	Relatively High
4	98	Rupert - Incorporated View on Map	Greenbrier	57.4%	Moderate
5	130	Ronceverte - Incorporated View on Map	Greenbrier	43.4%	Moderate
6	187	Falling Springs - Incorporated View on Map	Greenbrier	18.4%	Very Low
7	206	Quinwood - Incorporated View on Map	Greenbrier	10%	Very Low
8	215	Lewisburg - Incorporated View on Map	Greenbrier	6.1%	Very Low

Table 1c: Unincorporated Area

#	State Index Rank	Unincorporated Area	CUMULATIVE FLOOD RISK INDEX
#	State Index Rank	Unincorporated Area	Index Score	Index Rating
1	17	Greenbrier County* - Unincorporated View on Map	70.3%	Relatively High

Risk Index Legend

VERY HIGH: 90% - 100%

Very High: 80% - 100%

Relatively High: 60% - 79.9%

Moderate: 40% - 59.9%

Relatively Low: 20% - 39.9%

Very Low: 0% - 19.9%

Cumulative Flood Risk Index Map for Greenbrier

Floodplain Characteristics Comparison

Table 2. Floodplain Characteristics: Below is a comparison of 4 flood factors under the Floodplain Characteristics category in Greenbrier.

Table 2a: County Total

#	STATE CATEGORY RANK	County	Floodplain Characteristics				CATEGORY SCORE
#	STATE CATEGORY RANK	County	Floodplain Area	Floodplain Length	Flood Declared Disasters	Flood Depth Median	CATEGORY SCORE
1	6	Greenbrier View on Map	21,615 Acres	588.5 Miles	18	2.0 Ft	90.7%

Table 2b: Incorporated Places

#	STATE CATEGORY RANK	Incorporated Place	Floodplain Characteristics				CATEGORY SCORE
#	STATE CATEGORY RANK	Incorporated Place	Floodplain Area Ratio	Floodplain Length Ratio	Flood Declared Disasters	Flood Depth Median	CATEGORY SCORE
1	35	Alderson - Incorporated View on Map	30.3%	0.00692 Miles/Acre	18	2.6 Ft	85.0%
2	43	Rainelle - Incorporated View on Map	31.2%	0.00521 Miles/Acre	18	2.1 Ft	81.5%
3	68	Rupert - Incorporated View on Map	28.1%	0.00585 Miles/Acre	18	1.2 Ft	70.6%
4	83	Falling Springs - Incorporated View on Map	11.2%	0.00340 Miles/Acre	18	7.9 Ft	64.0%
5	87	White Sulphur Springs - Incorporated View on Map	22.0%	0.00486 Miles/Acre	18	1.5 Ft	62.2%
6	153	Ronceverte - Incorporated View on Map	11.9%	0.00264 Miles/Acre	18	1.5 Ft	33.3%
7	205	Quinwood - Incorporated View on Map	0.5%	0.00081 Miles/Acre	18	0.0 Ft	10.0%
8	212	Lewisburg - Incorporated View on Map	0.0%	0.00000 Miles/Acre	18	0.0 Ft	7.0%

Table 2c: Unincorporated Area

#	STATE CATEGORY RANK	Unincorporated Area	Floodplain Characteristics				CATEGORY SCORE
#	STATE CATEGORY RANK	Unincorporated Area	Floodplain Area	Floodplain Length	Flood Declared Disasters	Flood Depth Median	CATEGORY SCORE
1	5	Greenbrier County* - Unincorporated View on Map	20,700 Acres	579.4 Miles	18	2.2 Ft	92.5%

Building Exposure Comparison

Table 3. Building Exposure: Below is a comparison of 4 flood factors under the Building Exposure category in Greenbrier.

Table 3a: County Total

#	STATE CATEGORY RANK	County	Building Exposure				CATEGORY SCORE
#	STATE CATEGORY RANK	County	Building Floodplain Count	Building Floodway Count	Building Floodplain Ratio	Building Density	CATEGORY SCORE
1	13	Greenbrier View on Map	1,879	269	8.1%	0.09 /Acre	77.7%

Table 3b: Incorporated Places

#	STATE CATEGORY RANK	Incorporated Place	Building Exposure				CATEGORY SCORE
#	STATE CATEGORY RANK	Incorporated Place	Building Floodplain Count	Building Floodway Count	Building Floodplain Ratio	Building Density	CATEGORY SCORE
1	3	Rainelle - Incorporated View on Map	336	47	33.7%	1.51 /Acre	99.1%
2	21	White Sulphur Springs - Incorporated View on Map	302	105	18.2%	1.13 /Acre	91.2%
3	30	Alderson - Incorporated View on Map	205	6	28.8%	1.11 /Acre	87.2%
4	123	Ronceverte - Incorporated View on Map	47	1	5.0%	0.36 /Acre	46.4%
5	139	Rupert - Incorporated View on Map	56	0	10.5%	0.40 /Acre	39.4%
6	193	Falling Springs - Incorporated View on Map	3	0	0.0%	0.08 /Acre	15.7%
7	204	Lewisburg - Incorporated View on Map	0	0	0.0%	0.00 /Acre	0.0%
8	204	Quinwood - Incorporated View on Map	0	0	0.0%	0.00 /Acre	0.0%

Table 3c: Unincorporated Area

#	STATE CATEGORY RANK	Unincorporated Area	Building Exposure				CATEGORY SCORE
#	STATE CATEGORY RANK	Unincorporated Area	Building Floodplain Count	Building Floodway Count	Building Floodplain Ratio	Building Density	CATEGORY SCORE
1	20	Greenbrier County* - Unincorporated View on Map	997	111	6.4%	0.05 /Acre	64.8%

Building Characteristics Comparison

Table 4. Building Characteristics: Below is a comparison of 6 flood factors under the Building Characteristics category in Greenbrier.

Table 4a: County Total

#	STATE CATEGORY RANK	County	Building Characteristics						CATEGORY SCORE
#	STATE CATEGORY RANK	County	Building Median Value	Bldg. Mobile Homes Ratio	Bldg. Subgrade Basements Ratio	Building 1-Story Ratio	Bldg. Year Pre-FIRM Ratio	Bldg. Year Minus Rated Post-FIRM Ratio	CATEGORY SCORE
1	37	Greenbrier View on Map	$42,500	16.2%	16.0%	86.4%	81.6%	6.8%	31.4%

Table 4b: Incorporated Places

#	STATE CATEGORY RANK	Incorporated Place	Building Characteristics						CATEGORY SCORE
#	STATE CATEGORY RANK	Incorporated Place	Building Median Value	Bldg. Mobile Homes Ratio	Bldg. Subgrade Basements Ratio	Building 1-Story Ratio	Bldg. Year Pre-FIRM Ratio	Bldg. Year Minus Rated Post-FIRM Ratio	CATEGORY SCORE
1	16	Alderson - Incorporated View on Map	$50,500	8.8%	37.4%	70.6%	98.5%	2.9%	93.4%
2	41	Rupert - Incorporated View on Map	$41,190	18.4%	10.7%	96.4%	87.5%	3.6%	82.4%
3	123	Rainelle - Incorporated View on Map	$38,500	5.9%	6.8%	86.6%	98.8%	0.3%	46.0%
4	127	White Sulphur Springs - Incorporated View on Map	$53,950	0.8%	18.5%	78.5%	90.7%	1.0%	44.2%
5	158	Ronceverte - Incorporated View on Map	$45,852	0.0%	25.5%	29.8%	87.2%	6.4%	31.1%
6	186	Falling Springs - Incorporated View on Map	$0	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%
7	186	Lewisburg - Incorporated View on Map	$0	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%
8	186	Quinwood - Incorporated View on Map	$0	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%

Table 4c: Unincorporated Area

#	STATE CATEGORY RANK	Unincorporated Area	Building Characteristics						CATEGORY SCORE
#	STATE CATEGORY RANK	Unincorporated Area	Building Median Value	Bldg. Mobile Homes Ratio	Bldg. Subgrade Basements Ratio	Building 1-Story Ratio	Bldg. Year Pre-FIRM Ratio	Bldg. Year Minus Rated Post-FIRM Ratio	CATEGORY SCORE
1	42	Greenbrier County* - Unincorporated View on Map	$37,125	24.2%	14.2%	92.1%	72.0%	11.1%	24.0%

Critical Infrastructure Comparison

Table 5. Critical Infrastructure: Below is a comparison of 2 flood factors under the Critical Infrastructure category in Greenbrier.

Table 5a: County Total

#	STATE CATEGORY RANK	County	Critical Infrastructure		CATEGORY SCORE
#	STATE CATEGORY RANK	County	Essential Facilities	Roads Inundated Ratio	CATEGORY SCORE
1	37	Greenbrier View on Map	4	5.4%	33.3%

Table 5b: Incorporated Places

#	STATE CATEGORY RANK	Incorporated Place	Critical Infrastructure		CATEGORY SCORE
#	STATE CATEGORY RANK	Incorporated Place	Essential Facilities	Roads Inundated Ratio	CATEGORY SCORE
1	4	Alderson - Incorporated View on Map	4	40.3%	98.6%
2	21	Rainelle - Incorporated View on Map	2	39.1%	91.2%
3	84	White Sulphur Springs - Incorporated View on Map	1	16.4%	63.1%
4	129	Falling Springs - Incorporated View on Map	0	23.5%	43.8%
5	144	Ronceverte - Incorporated View on Map	0	14.3%	37.2%
6	147	Rupert - Incorporated View on Map	0	12.5%	35.9%
7	207	Lewisburg - Incorporated View on Map	0	0.0%	0.0%
8	207	Quinwood - Incorporated View on Map	0	0.0%	0.0%

Table 5c: Unincorporated Area

#	STATE CATEGORY RANK	Unincorporated Area	Critical Infrastructure		CATEGORY SCORE
#	STATE CATEGORY RANK	Unincorporated Area	Essential Facilities	Roads Inundated Ratio	CATEGORY SCORE
1	44	Greenbrier County* - Unincorporated View on Map	0	4.8%	20.3%

Community Assets Comparison

Table 6. Community Assets: Below is a comparison of 2 flood factors under the Community Assets category in Greenbrier.

Table 6a: County Total

#	STATE CATEGORY RANK	County	Community Assets		CATEGORY SCORE
#	STATE CATEGORY RANK	County	Community Assets Historical	Community Assets Non-Historical	CATEGORY SCORE
1	12	Greenbrier View on Map	45	28	77.7%

Table 6b: Incorporated Places

#	STATE CATEGORY RANK	Incorporated Place	Community Assets		CATEGORY SCORE
#	STATE CATEGORY RANK	Incorporated Place	Community Assets Historical	Community Assets Non-Historical	CATEGORY SCORE
1	10	Alderson - Incorporated View on Map	30	9	96.0%
2	46	Ronceverte - Incorporated View on Map	27	1	80.2%
3	57	White Sulphur Springs - Incorporated View on Map	0	7	72.8%
4	64	Rainelle - Incorporated View on Map	0	6	68.8%
5	99	Rupert - Incorporated View on Map	0	2	48.2%
6	171	Falling Springs - Incorporated View on Map	0	0	0.0%
7	171	Lewisburg - Incorporated View on Map	0	0	0.0%
8	171	Quinwood - Incorporated View on Map	0	0	0.0%

Table 6c: Unincorporated Area

#	STATE CATEGORY RANK	Unincorporated Area	Community Assets		CATEGORY SCORE
#	STATE CATEGORY RANK	Unincorporated Area	Community Assets Historical	Community Assets Non-Historical	CATEGORY SCORE
1	23	Greenbrier County* - Unincorporated View on Map	3	8	59.2%

Building Damage Loss Comparison

Table 7. Building Damage Loss: Below is a comparison of 4 flood factors under the Building Damage Loss category in Greenbrier.

Table 7a: County Total

#	STATE CATEGORY RANK	County	Building Damage Loss				CATEGORY SCORE
#	STATE CATEGORY RANK	County	Bldg. Substantial Damage Count	Bldg. Substantial Damage Ratio	Bldg. Previous Damage Claims	Bldg. Repetitive Loss Structures	CATEGORY SCORE
1	14	Greenbrier View on Map	112	6.0%	1,072	216	75.9%

Table 7b: Incorporated Places

#	STATE CATEGORY RANK	Incorporated Place	Building Damage Loss				CATEGORY SCORE
#	STATE CATEGORY RANK	Incorporated Place	Bldg. Substantial Damage Count	Bldg. Substantial Damage Ratio	Bldg. Previous Damage Claims	Bldg. Repetitive Loss Structures	CATEGORY SCORE
1	36	Alderson - Incorporated View on Map	2	1.0%	201	36	84.6%
2	51	Rainelle - Incorporated View on Map	1	0.3%	154	35	78.0%
3	71	Rupert - Incorporated View on Map	1	1.8%	17	9	69.2%
4	97	Ronceverte - Incorporated View on Map	0	0.0%	132	50	57.8%
5	127	White Sulphur Springs - Incorporated View on Map	0	0.0%	89	2	44.7%
6	152	Falling Springs - Incorporated View on Map	3	0.0%	2	0	33.7%
7	193	Lewisburg - Incorporated View on Map	0	0.0%	1	0	11.8%
8	193	Quinwood - Incorporated View on Map	0	0.0%	1	0	11.8%

Table 7c: Unincorporated Area

#	STATE CATEGORY RANK	Unincorporated Area	Building Damage Loss				CATEGORY SCORE
#	STATE CATEGORY RANK	Unincorporated Area	Bldg. Substantial Damage Count	Bldg. Substantial Damage Ratio	Bldg. Previous Damage Claims	Bldg. Repetitive Loss Structures	CATEGORY SCORE
1	10	Greenbrier County* - Unincorporated View on Map	106	10.6%	475	87	83.3%

People / Social Vulnerabilities Comparison

Table 8. People / Social Vulnerabilities: Below is a comparison of 3 flood factors under the People / Social Vulnerabilities category in Greenbrier.

Table 8a: County Total

#	STATE CATEGORY RANK	County	People / Social Vulnerabilities			CATEGORY SCORE
#	STATE CATEGORY RANK	County	Population in Floodplain Ratio	Population Displaced Ratio	WV Social Vulnerability Index	CATEGORY SCORE
1	18	Greenbrier View on Map	13.2%	9.6%	51.9%	68.5%

Table 8b: Incorporated Places

#	STATE CATEGORY RANK	Incorporated Place	People / Social Vulnerabilities			CATEGORY SCORE
#	STATE CATEGORY RANK	Incorporated Place	Population in Floodplain Ratio	Population Displaced Ratio	WV Social Vulnerability Index	CATEGORY SCORE
1	17	Rainelle - Incorporated View on Map	45.6%	38.3%	84.6%	92.9%
2	25	Alderson - Incorporated View on Map	37.0%	28.5%	80.2%	89.4%
3	76	Rupert - Incorporated View on Map	13.9%	8.2%	67.0%	67.1%
4	94	White Sulphur Springs - Incorporated View on Map	25.8%	17.5%	21.1%	59.2%
5	122	Falling Springs - Incorporated View on Map	5.6%	5.6%	56.4%	46.9%
6	150	Ronceverte - Incorporated View on Map	6.1%	4.1%	22.9%	34.6%
7	167	Quinwood - Incorporated View on Map	0.0%	0.0%	94.3%	27.1%
8	212	Lewisburg - Incorporated View on Map	0.0%	0.0%	30.4%	7.4%

Table 8c: Unincorporated Area

#	STATE CATEGORY RANK	Unincorporated Area	People / Social Vulnerabilities			CATEGORY SCORE
#	STATE CATEGORY RANK	Unincorporated Area	Population in Floodplain Ratio	Population Displaced Ratio	WV Social Vulnerability Index	CATEGORY SCORE
1	30	Greenbrier County* - Unincorporated View on Map	9.6%	6.8%	35.2%	46.2%

Risk Indicator data last updated August 2024