National Water Contaminants of Concern > Population Exposed (of 231,439,195) Above Health Limits

Summary

Max	116,265,462
Avg	28,875,000
Min	116,283
Sum	577,500,000
Std Dev	42049000.00

Tags

Pollution contaminants national pollutants tap water

Data Set

• National Water Contaminants of Concern

• Top 20 National tap water c...

Data Summary

Showing last 6 rows and first 4 columns

Rank	Contaminant Name	Population Exposed (of 231,439,195) At Any Level	Population Exposed (of 231,439,195) Above Health Limits	Number of Water Systems (of 39,751) At Any Level	Number of Water Systems (of 39,751) Above Health Limits	Number of States with Detections (of 42)	Source
11	Nitrate & nitrite	66,875,947	116,283	7,526	97	15	Chemical that enters water from fertilizer runoff, leaching septic tanks, and erosion of natural deposits
16	Alpha particle activity (excl radon and uranium)	36,052,637	296,169	6,296	219	15	From mining waste pollutants and natural sources
12	Alpha particle activity	66,388,504	691,892	6,632	319	13	From mining waste polluants and natural sources
15	Aluminum	47,160,552	695,255	2,570	89	13	Metal from metal refineries and mining operations
20	Nitrite	28,587,707	707,975	2,722	87	22	Chemical that enters water from fertilizer runoff, leaching septic tanks, and erosion of natural deposits
6	Barium (total)	134,841,413	827,080	18,835	177	29	Mineral from drilling and mining waste runoff; erosion of natrual deposits
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Population Exposed (of 231,439,195) Above Health Limits by Reason for Concern

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Number of Water Systems (of 39,751) Above Health Limits by Population Exposed (of 231,439,195) Above Health Limits

Population Exposed (of 231,439,195) Above Health Limits by Contaminant Name

Population Exposed (of 231,439,195) Above Health Limits by Number of States with Detections (of 42)

Population Exposed (of 231,439,195) Above Health Limits by Number of Water Systems (of 39,751) Above Health Limits

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Population Exposed (of 231,439,195) Above Health Limits by Source

Population Exposed (of 231,439,195) Above Health Limits by Contaminant Name

Scatter Plots

Population Exposed (of 231,439,195) Above Health Limits by Rank

Population Exposed (of 231,439,195) Above Health Limits by Population Exposed (of 231,439,195) At Any Level	Population Exposed (of 231,439,195) Above Health Limits by Number of Water Systems (of 39,751) At Any Level	Population Exposed (of 231,439,195) Above Health Limits by Number of Water Systems (of 39,751) Above Health Limits
Population Exposed (of 231,439,195) Above Health Limits by Number of States with Detections (of 42)

Pivot Columns

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Total trihalomethanes (TTHMs) Population Exposed (of 231,439,195) Above Health Limits Max 116,265,462 Avg 116,265,000 Min 116,265,462 Sum 116,265,000 Std Dev 0.00	Bromodichloromethane Population Exposed (of 231,439,195) Above Health Limits Max 115,218,832 Avg 115,219,000 Min 115,218,832 Sum 115,219,000 Std Dev 0.00	Dibromochloromethane Population Exposed (of 231,439,195) Above Health Limits Max 100,373,485 Avg 100,373,000 Min 100,373,485 Sum 100,373,000 Std Dev 0.00	Arsenic (total) Population Exposed (of 231,439,195) Above Health Limits Max 90,096,056 Avg 90,096,100 Min 90,096,056 Sum 90,096,100 Std Dev 0.00
Chloroform Population Exposed (of 231,439,195) Above Health Limits Max 78,454,760 Avg 78,454,800 Min 78,454,760 Sum 78,454,800 Std Dev 0.00	Total haloacetic acids Population Exposed (of 231,439,195) Above Health Limits Max 20,251,582 Avg 20,251,600 Min 20,251,582 Sum 20,251,600 Std Dev 0.00	Radon Population Exposed (of 231,439,195) Above Health Limits Max 12,434,478 Avg 12,434,500 Min 12,434,478 Sum 12,434,500 Std Dev 0.00	Nitrate Population Exposed (of 231,439,195) Above Health Limits Max 12,390,279 Avg 12,390,300 Min 12,390,279 Sum 12,390,300 Std Dev 0.00
Lead (total) Population Exposed (of 231,439,195) Above Health Limits Max 9,619,783 Avg 9,619,780 Min 9,619,783 Sum 9,619,780 Std Dev 0.00	Manganese Population Exposed (of 231,439,195) Above Health Limits Max 6,089,914 Avg 6,089,910 Min 6,089,914 Sum 6,089,910 Std Dev 0.00	Trichloroacetic acid Population Exposed (of 231,439,195) Above Health Limits Max 2,023,732 Avg 2,023,730 Min 2,023,732 Sum 2,023,730 Std Dev 0.00	Selenium (total) Population Exposed (of 231,439,195) Above Health Limits Max 2,184,722 Avg 2,184,720 Min 2,184,722 Sum 2,184,720 Std Dev 0.00

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