WATER FROM UPPER TRINITY REGIONAL WATER DISTRICT

CONSTITUENTS DETECTED FOR 2010

Printer Friendly Version

Date

Substance

Maximum Amount in UTRWD Water Range in UTRWD Water Maximum Contaminant Level Allowed Maximum Contaminant Level Goal Possible Source

Regulated at the Treatment Plant

01/19/2010 Fluoride (ppm) 0.20 N/A 4 4 Water additive, natural geology
1/19/2010 Nitrate (ppm) 0.48 N/A 10 10 Fertilizer runoff, septic tanks, wastewater plant effluent, animal waste runoff

9/29/2010

Turbidity (ntu) 0.17 0.04 - 0.17

0.3*

N/A Soil runoff
*Treatment Technique: MCL is achieved through coagulation, flocculation and filtration.

Regulated in the Distribution System

06/16/2010

Total THM's (ppb)

41.4

N/A

80

0

Disinfection by-product

6/16/2010

Total HAA's (ppb) 32.0 N/A 60 0 Disinfection by-product

Unregulated Contaminants

04/29/2008

N-nitrosodimethylamine (ppb) 0.0028 0.0025 - 0.0028 N/A N/A Nitrosamines are chemical by-products from the manufacture of numerous products including rubber, leather, and plastics. Foods such as bacon and malt beverages may also contain nitrosamines.

Radioactive Contaminants

06/09/2009

Beta Emitters pCi/L 2.3 N/A 50 0 Decay of natural and man-made deposits
06/09/2009 Alpha Emitters pCi/L 0.6 N/A 15 0 Decay of natural and man-made deposits
06/09/2009 Radium 228 pCi/L 0.76 N/A 5 0 Decay of natural and man-made deposits

Synthetic Organic Chemicals Including Pesticides and Herbicides

1/19/2010

Atrazine (ppb)

0.16

N/A

3

3

Herbicide runoff.

You may be more vulnerable than the general population to certain microbial contaminants, such as Cryptosporidium, in drinking water. Infants, some elderly, or immunocompromised persons such as those undergoing chemotherapy for cancer; those who have undergone organ transplants; those who are undergoing treatment with steroids; and people with HIV/AIDS or other immune system disorders can be particularly at risk from infections. You should seek advice about drinking water from your physician or health care provider. Additional guidelines on appropriate means to lessen the risk of infection by Cryptosporidium are available from the Safe Drinking Water Hotline at (800) 426-4791. Upper Trinity continues to analyze our source water for the presence of Cryptosporidium. Cryptosporidium has never been detected in any of the samples tested for Upper Trinity water.

Definitions:

 
Maximum Contaminant Level:  The highest level of a contaminant that is allowed in drinking water.
 
Maximum Contaminant Level Goal: The level of a contaminant in drinking water below which there is no known or expected risk to health. 
 
NTU: Nephelometric turbidity units. The unit used to measure  the turbidity of water.
 
Treatment Technique: A required process intended to reduce the level of a contaminant in drinking water.
 
Turbidity: A measure of the clarity of water. While Turbidity has no known health effects, it can interfere with disinfection and provide a medium for microbial growth. Turbidity may indicate the presence of disease-causing organisms. These organisms include bacteria, viruses, and parasites that can cause symptoms such as nausea, cramps, diarrhea, and associated headaches.

                                        

 
pCi/L:  Picocuries per liter. A measure of radioactivity in water equal to 10-12 curies. Quantity of radioactive material producing 2.22 nuclear transformations per minute.
 
ppm: Parts per million. One part per million approximates one packet of artificial sweetener sprinkled into 250 gallons of iced tea.
 
ppb: Parts per billion. One part per billion is roughly equal to  one packet of artificial sweetener sprinkled into an Olympic-size swimming pool.
 
 

THIS REPORT CONTAINS THE MOST RECENT DATA AVAILABLE IN ACCORDANCE WITH REGULATIONS.