
| Water Department |

| Kyle LeLoux -- Water/Wastewater Superintendent |
| 2008 WATER QUALITY REPORT FOR City of Hull 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 alluvial aquifer(s). Our water quality testing shows the following results: |
| 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. • pCi/L – picocuries per liter • N/A – Not applicable • ND -- Not detected • Treatment Technique (TT) – A required process intended to reduce the level of a contaminant in drinking water. • 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). CONTAMINANT Violations Total Coliform. Coliforms are bacteria which are naturally present in the environment and are used as an indicator that other, potentially-harmful bacteria may be present. Coliforms were found in more samples than allowed and this was a warning of potential problems. Fecal coliform/ E.Coli . Fecal coliform and E. Coli are bacteria whose presence indicates that the water may be contaminated with human or animal wastes. Microbes in these wastes can cause short-term effects, such as diarrhea, cramps, nausea, headaches, or other symptoms. They may pose a special health risk for infants, young children, and people with severely compromised immune systems. ADDITIONAL HEALTH INFORMATION OTHER VIOLATIONS In November 2005, we failed to meet Certified Operator Requirements. Adverse health effects, if any, are not known. Monitoring procedures have been corrected to avoid future violations. SOURCE WATER ASSESSMENT INFORMATION The Rock Valley Rural Water Supply obtains its water from the alluvial aquifer. The alluvial aquifer was determined to be highly susceptible to contamination because the characteristics of the aquifer and overlying materials allow contaminants to move through the aquifer fairly quickly. The wells will be most susceptible to activities such as dry cleaners, gas stations, industrial sites, and municipal wastewater dischargers. A detailed evaluation of your source water was completed by the IDNR, and is available from City of Hull Water System at 712-439-1555. OTHER INFORMATION CONTACT INFORMATION For questions regarding this information, please contact Kyle LeLoux at 712-439-1555 during the following hours: 7:00 a.m. to 4:00 p.m. Decisions regarding the water system are made at the Hull City Council meetings held on 2nd & 4th Mondays of each month at 5:00 p.m. at the Hull City Council Chambers and are open to the public. |
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