2007 WATER QUALITY REPORT

City of Slater

This report contains important information regarding the water quality in our water system. The source of our water is groundwater. Our groundwater is drawn from the Pleistocene aquifers).

Our water quality testing shows the following results:

CONTAMINANT	MCLG		MCL	DETECTED LEVEL	DATE SAMPLED	RANGE OF DETECTION	VIOLATION	SOURCE
Lead (ppb)	0		AL=15	ND	9/30/2005		NO	Corrosion of household plumbing systems; erosion of natural deposits
Chlorine (ppm)		MRDLG =4.0	MRDL=4.0	.84	Monthly monitoring	.10-1.7	NO	Water additive used to control microbes
TTHM (ppb) [Total trihalomethanes]		N/A	80	11.0	8/07/2007		NO	By-products of drinking water disinfection
Haloacetic Acids (HAA5) (ppb)		N/A	60	6.0	8/07/2007		NO	By-products of drinking water disinfection
Arsenic (ppb)	0		10	1.0	12/15/2004		NO	Erosion of natural deposits; Runoff from orchards; Runoff from glass and electronic production wastes
Barium (ppm)	2		2	.13	12/15/2004		NO	Discharge of drilling wastes; Discharge from metal refineries; Erosion of natural deposits
Fluoride (ppm)	4		4	1.12	12/11/2007	.49-1.48	NO	Water additive which promotes strong teeth; Erosion of natural deposits; Discharge from fertilizer and aluminum factories
Sodium (ppm)	N/A		N/A	115	12/18/2007		NO	Erosion of natural deposits; Added to water during treatment process
Nitrate [as N] (ppm)	10		10	1.2	12/31/2007		NO	Runoff from fertilizer use; Leaching from septic tanks, sewage; Erosion of natural deposits
Copper (ppm)		1.3	AL=1.3	.42	9/30/2005	.1-.72	NO	Corrosion of household plumbing systems; Erosion of natural deposits
Total Coliform Bacteria	0		Presence of coliform bacteria in >5% of monthly samples	ND	Monthly monitoring		NO	Naturally present in the environment

Note: Contaminants with dates indicate results from the most recent testing done in accordance with regulations.

DEFINITIONS

· Maximum Contaminant Level (MCL) – The highest level of a contaminant that is allowed in drinking water. MCLs are set as close to the MCLGs as feasible using the best available treatment technology.

· Maximum Contaminant Level Goal (MCLG) -- The level of a contaminant in drinking water below which there is no known or expected risk to health. MCLGs allow for a margin of safety.

· ppb -- parts per billion.

· ppm -- parts per million.

· N/A – Not applicable

· ND -- Not detected

· Action Level (AL) – The concentration of a contaminant which, if exceeded, triggers treatment or other requirements which a water system must follow.

· Maximum Residual Disinfectant Level Goal (MRDLG) - The level of a drinking water disinfectant below which there is no known or expected risk to health. MRDLGs do not reflect the benefits of the use of disinfectants to control microbial contaminants.

· Maximum Residual Disinfectant Level (MRDL) - The highest level of a disinfectant allowed in drinking water. There is convincing evidence that addition of a disinfectant is necessary for control of microbial contaminants.

GENERAL INFORMATION

Drinking water, including bottled water, may reasonably be expected to contain at least small amounts of some contaminants. The presence of contaminants does not necessarily indicate that water posed a health risk. More information about contaminants or potential health effects can be obtained by calling the Environmental Protection Agency’s Safe Drinking Water Hotline (800-426-4791).

Some people may be more vulnerable to contaminants in drinking water than the general population. Immuno-compromised persons such as persons with cancer undergoing chemotherapy, persons who have undergone organ transplants, people with HIV/AIDS or other immune system disorders, some elderly, and infants can be particularly at risk from infections. These people should seek advice about drinking water from their health care providers. EPA/CDC guidelines on appropriate means to lessen the risk of infection by Cryptosporidium and other microbial contaminants are available from the Safe Drinking Water Hotline (800-426-4791).

If present, elevated levels of lead can cause serious health problems, especially for pregnant women and young children. Lead in drinking water is primarily from materials and components associated with service lines and home plumbing. City of Slater is responsible for providing high quality drinking water, but cannot control the variety of materials used in plumbing components. When your water has been sitting for several hours, you can minimize the potential for lead exposure by flushing your tap for 30 seconds to 2 minutes before using water for drinking or cooking. If you are concerned about lead in your water, you may wish to have your water tested. Information on lead in drinking water, testing methods and steps you can take to minimize exposure is available from the Safe Drinking Water Hotline or at http://www.epa.gov/safewater/lead.

CONTAMINANT Violations

None

OTHER VIOLATIONS

Missed 3^rd quarter routine sample for nitrate. Took 4^th quarter sample and now we are compliant.

SOURCE WATER ASSESSMENT INFORMATION

The City of Slater water supply obtains its water from the Pleistocene aquifer. The Pleistocene aquifer was determined to be not susceptible to contamination because the characteristics of the aquifer and overlying materials prevent easy access of contaminants to the aquifer. The wells will not be susceptible to most contaminant sources except through pathways to the aquifer such as abandoned or poorly maintained wells. A detailed evaluation of your source water was completed by the IDNR, and is available from City of Slater at (515)685 -2531

OTHER INFORMATION

Because of the city’s monitoring violation we have to mail our report to all water customers.

CONTACT INFORMATION

For questions regarding this information, please contact City Hall at 685-2531 during the following hours: 8:00 a.m. and 5:00 p.m. Decisions regarding the water system are made at the City council meetings held on first Monday of the month at 7:30 p.m. at City Hall and are open to the public.