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Posted on: May 12, 2021

UPDATED Water Quality Information - New Supplier Illinois American Water

Village of Glen Carbon New Supplier

Illinois American Water

Typical Water Quality Information

 

PWSID Number: 1195030

Where Does My Water Come From?

Mississippi River

 

Average amount of water supplied to customers on a daily basis

9 million gallons per day

 

Parameter

Average or Range

Comments

 

pH

 

7.4 (7.0-7.8)

 

Total Hardness (as CaCO3)

 

250 (140-320) mg/L

 

Naturally occurring

Total Hardness (as CaCO3)

14.5 (8.2-18.7)

grains per gallon

 

Naturally occurring

 

Fluoride

 

0.67 - 0.76 mg/L

Naturally occurring and water additive, MCL = 4.0 mg/L

 

Sodium

 

16.7 - 17.9 mg/L

 

No MCL- Informational only

 

Iron

 

ND

Secondary Standard Limit = 0.3 mg/L

 

Type of disinfection

NA

Chloramines.  During     annual distribution system flushing in Aug-Sep, it is free chlorine.

Disinfectant residual level leaving the

treatment plant (average)

 

3.5 (2.9-3.9) mg/L

 

Water additive to control microbes

 

 

Parameter

Average or Range

Comments

Disinfectant residual

level in the distribution system

 

3.1 (2 - 4) mg/L

Max Residual Disinfectant Level Running Annual Avg. = 4.0 mg/L

Lead

[90th percentile result]

 

1 ug/L

Action Level = 15 ug/L

Copper

[90th percentile result]

 

0.096 mg/L

Action Level = 1.3 mg/L

 

Nitrate

 

1.29 - 5.16 mg/L

MCL = 10 mg/L

 

Arsenic

 

ND - 1 ug/L

MCL = 10 ug/L

 

Definitions

  • mg/L - milligrams per liter; one milligram per liter is equal to one part per million (ppm), which is approximately the same as 1 second in 11.5 days
  • ug/L - micrograms per liter; one microgram per liter is equal to one part per billion (ppb), which is approximately the same as 1 second in 31.7 years
  • N/A - not applicable
  • ND - not detected
  • MCL - Maximum Contaminant Level - the highest level of a contaminant allowed in drinking water under State and Federal regulations

 

WATER HARDNESS:

The water harness of our new source is an average of 250 mg/l or 14.5 grains per gallon.  The previous source was 120 mg/l or 7 grains per gallon.  As such, you may need to make adjustments to your water softener/purifier as necessary.

 

If you have any questions, please call Village Hall at (618) 288-1200, John Leezy, Utility Superintendent at (618) 288-2661 or Jamie Bowden, Village Administrator at (618) 288-2614.

 

 

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