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This report covers the year 2010 and is intended to provide you with important information about your drinking water and efforts made to provide safe drinking water.
WHAT IS THE SOURCE OF MY WATER? The sources of drinking water (both tap water and bottled water) include rivers, lakes, streams, ponds, reservoirs, springs, and groundwater wells. As water travels over the surface of the land or through the ground, it dissolves naturally-occurring minerals and, in some cases, radioactive material, and can pick up substances resulting from the presence of animals or from human activity. PWSD #1 of Putnam County purchases water from the City of Unionville Water Utility (MO2010804) which is surface water, and Rathbun Regional Water Association (IA0400900) also surface water.
Our drinking water is supplied from another water system through a Conservative Connection (CC). To find out more about our drinking water sources and additional chemical sampling results, please contact our office at the number provided below.
SOURCE WATER ASSESSMENT: The Department of Natural Resources conducted a source water assessment to determine the susceptibility of our water source to potential contaminants. This process involved the establishment of source water area delineations for each well or surface water intake and then a contaminant inventory was preformed within those delineated areas to assess potential threats to each source. Assessment maps and summary information sheets are available on the internet at http://maproom.missouri.edu/swipmaps/pwssid.htm. To access the maps for your water system you will need the State-assigned identification code, which is printed at the top of this report. The Source Water Inventory Project maps and information sheets provide a foundation upon which a more comprehensive source water protection plan can be developed.
WHY ARE THERE CONTAMINANTS IN MY WATER? 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 poses a health risk. More information about contaminants and potential health effects can be obtained by calling the Environmental Protection Agency's Safe Drinking Water Hotline (800-426-4791).
Contaminants that may be present in source water include:
Microbial contaminants, such as viruses and bacteria, which may come from sewage treatment plants, septic systems, agricultural livestock operation, and wildlife.
Inorganic contaminants, such as salts and metals, which can be naturally-occurring or result from urban storm water runoff, industrial, or domestic wastewater discharges, oil and gas production, mining, or farming.
Pesticides and herbicides, which may come from a variety of sources such as agriculture, urban storm water runoff, and residential uses.
Organic chemical contaminants, including synthetic and volatile organic chemicals, which are by-products of industrial processes and petroleum productions and can also come from gas stations, urban storm water runoff, and septic systems.
Radioactive contaminants, which can be naturally-occurring or be the result of oil and gas production and mining activities.
In order to insure that tap water is safe to drink, the Department of Natural Resources prescribes regulations which limit the amount of certain contaminants in water provided by public water systems. Department of Health regulations establish limits for contaminants in bottled water which must provide the same protection for public health.
IS OUR WATER SYSTEM MEETING OTHER RULES THAT GOVERN OUR OPERATIONS? The Missouri Department of Natural Resources regulates our water system and requires us to test our water on a regular basis to ensure it's safety. Our system has been assigned the identification number MO2024495 for the purposes of tracking our test results. Last year, we tested for a variety of contaminants. The detectable results of these tests are below. Any violations of state requirements or standards will be further explained later in this report.
HOW MIGHT I BECOME ACTIVELY INVOLVED? If you would like to observe the decision-making process that affects drinking water quality or if you have further questions about your drinking water report, please call us at (660) 947-3616 or toll-free at (800) 951-3617 to inquire about scheduled meetings or contact persons. Board meetings are held on the 1st Wednesday of the month at the District office at 6:00 p.m. This report is being mailed individually to our customers and will be available at the District office located on U. S. Highway 136 west of Unionville, Missouri. It will also be posted at the Putnam County Library and Putnam County Courthouse. Any question about this report can be directed to David Lloyd at 660-947-3616.
DO I NEED TO TAKE SPECIAL PRECAUTIONS? 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 infections by Cryptosporidium and other microbial contaminants are available from the Safe Drinking Water Hotline (800-426-4791).
SPECIAL LEAD AND COPPER NOTICE: 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. PUTNAM CO PWSD 1 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 (800-426-4791) or at http://water.epa.gov/drink/info/lead/index.cfm.
Contaminants Report
Definitions: Abbreviations: The state has reduced monitoring requirements for certain contaminants to less often than once per year because the concentrations of these contaminants are not expected to vary significantly from year to year. Records with a sample year more than one year old are still considered representative.
MCLG: Maximum Contaminant Level Goal, or 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. MCL: Maximum Contaminant Level, or 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. AL: Action Level, or the concentration of a contaminant which, when exceeded, triggers treatment or other requirements which a water system must follow. TT: Treatment Technique, or a required process intended to reduce the level of a contaminant in drinking water. 90th Percentile: for lead and copper testing. 10% of test results are above this level and 90% are below this level. Level Found: is the average of all test results for a particular contaminant. Range of Detections: Shows the lowest and highest levels found during a testing period. If only one sample was taken, then this number equals the Level Found. MRLDG: Maximum Residual Disinfectant Level Goal, or the level of a drinking water disinfectant below which there is no know or expected risk to health. MRDL: Maximum Residual Disinfectant Level, or the highest level of a disinfectant allowed in drinking water.RAA:Running Annual Average, or the average of sample analytical results for samples taken during the previous four calendar quarters.
PPB: parts per billion or micrograms per liter. ppm: parts per million or milligrams per liter. n/a: not applicable. NTU: Nephelometric Turbidity Unit, used to measure cloudiness in drinking water. MFL: million fibers per liter, used to measure asbestos concentration. nd: not detectable at testing limits.
Regulated Contaminants
| Copper | ||||||
| Date | 90th Percentile | Range | Unit | AL | Sites exceeding AL | Typical Sources |
| 2008 - 2010 | 0.137 | 0.00391 - 0.158 | ppm | 1.3 | 0 | Corrosion of household plumbing systems |
| Lead | ||||||
| Date | 90th Percentile | Range | Unit | AL | Sites exceeding AL | Typical Sources |
| 2008 - 2010 | 1.63 | 1.09 - 6.15 | ppb | 15 | 0 | Corrosion of household plumbing systems |
Microbiological: No detected results were found in the calendar year of 2010
Violations and Health Effects Information
Contaminants Report Cont.
| Regulated Contaminants | Collection Date | Water System | Highest Value | Range | Unit | MCL | MCLG | Typical Sources |
| BARIUM | 10/31/2010 | UNIONVILLE | 0.0714 | 0.0714 | ppm | 2 | 2 | Discharge of drilling wastes; Discharge from metal refineries; Erosion of natural deposits |
| CHROMIUM | 10/31/2010 | UNIONVILLE | 1.42 | 1.42 | ppb | 100 | 100 | Discharge from steel and pulp mills |
| FLUORIDE | 10/31/2010 | UNIONVILLE | 1.35 | 1.35 | ppm | 4 | 4 | Natural deposits; Water additive which promotes strong teeth |
| NICKEL | 10/31/2010 | UNIONVILLE | 0.00118 | 0.00118 | MG/L | 0.1 | 0.1 | |
| NITRATE-NITRITE | 6/8/2010 | UNIONVILLE | 0.55 | 0.55 | ppm | 10 | 10 | Runoff from fertilizer use; Leaching from septic tanks, sewage; Erosion of natural deposits |
| Disinfection By-Products | Monitoring Period | Water System | Highest RAA | Range | Unit | MCL | MCLG | Typical Sources |
| TOTAL HALOACETIC ACIDS (HAA5) | 2010 | UNIONVILLE | 53 | 23.2 - 57.6 | ppb | 60 | 0 | By-product of drinking water disinfection |
| TTHM | 2010 | UNIONVILLE | 70 | 46 - 78.6 | ppb | 80 | 0 | By-product of drinking water chlorination |
| TOC | Collection Date | Water System | Highest Value | Range | Unit | MCL | MCLG | Typical Sources |
| CARBON, TOTAL ORGANIC | 02/10/2010 | UNIONVILLE | 6.58 | 1.83 - 6.58 | MG/L | 0 | 0 | Naturally present in the environment |
| LEAD AND COPPER | Date | 90th Percentile | Range | Unit | AL | Sites exceeding AL | Typical Sources |
| COPPER | 2008 - 2010 | 0.0345 | 0.00197 - 0.144 | ppm | 1.3 | 0 | Corrosion of household plumbing systems |
Microbiological: No detected results were found in the calendar year of 2010
| RADIONUCLIDES | Collection Date | Water System | Highest Value | Range | Unit | MCL | MCLG | Typical Sources |
| COMBINED RADIUM (-226 & -228) | 06/4/2007 | UNIONVILLE | 0.1 | 0.1 | pCi/I | 5 | Erosion of natural deposits | |
| RADIUM -226 | 06/4/2007 | UNIONVILLE | 0.1 | 0.1 | pCi/I | 5 | 0 |
| Turbidity | |||||
| Turbidity is a measure of cloudiness of water. We monitor turbidity because it is a good indicator of the effectiveness of our filtration system. | |||||
| Percentage of samples in compliance with Std. | Month Occurred | Violation | Highest Single Measurement for the Year | Month Occurred | Sources |
| 100 | 5 | NO | .34 | May | Soil Runoff |
Optional Monitoring (not required by EPA)
| Secondary Contaminants | Collection Date | Water System | Highest Value | Range | Unit | MCL | MCLG | Typical Sources |
| ALKALINITY, CACO3 STABILITY | 10/31/2010 | UNIONVILLE | 116 | 116 | MG/L | |||
| ALKALINITY, TOTAL | 3/9/2010 | UNIONVILLE | 92 | 64 - 92 | MG/L | |||
| ALUMINUM | 10/31/2010 | UNIONVILLE | 0.16 | 0.16 | MG/L | 0.05 | ||
| CALCIUM | 10/31/2010 | UNIONVILLE | 39.9 | 39.9 | MG/L | |||
| CHLORIDE | 10/31/2010 | UNIONVILLE | 8.48 | 8.48 | MG/L | 250 | ||
| HARDNESS, CARBONATE | 10/31/2010 | UNIONVILLE | 116 | 116 | MG/L | |||
| IRON | 10/31/2010 | UNIONVILLE | 0.00118 | 0.00118 | MG/L | 0.3 | ||
| MAGNESIUM | 10/31/2010 | UNIONVILLE | 4.05 | 4.05 | MG/L | |||
| PH | 10/31/2010 | UNIONVILLE | 7.63 | 7.63 | PH | 8.5 | ||
| POTASSIUM | 10/31/2010 | UNIONVILLE | 4.23 | 4.23 | MG/L | |||
| SODIUM | 10/31/2010 | UNIONVILLE | 15.5 | 15.5 | MG/L | 20 | ||
| SULFATE | 10/31/2010 | UNIONVILLE | 54.9 | 54.9 | MG/L | 250 | ||
| TDS | 10/31/2010 | UNIONVILLE | 193 | 193 | MG/L | 500 |
Our water comes from the following source(s):
Chariton River after discharge from Rathbun Lake, a surface water source
An assessment of the watershed has been completed that identifies and prioritizes potential sources of water pollution in the Rathbun Lake watershed that may impair the quality of raw water for RRWA. These potential sources include wastewater treatment facilities, institutional, retail, and industrial facilities, recreational facilities, residential and commercial areas and land used for agricultural production with characteristics that increase the likelihood of eroded soil, chemicals and livestock waste being carried in to runoff to streams, rivers and the lake. For a summary of the watershed assessment results and additional information contact: Rathbun Regional Water Association, Inc. at 16166 Hwy. J29, Centerville, IA 52544 or call (641)647-2416 or email: Ron Eggerman at Reggerman@rrwa.net.
The Rathbun Regional Water Association, Inc. is pleased to report that its Rathbun System PWSID 0400900 had no treatment, distribution or monitoring violations in 2009.
| Contaminant | MCLG | MCL | Detected Level | Date Sampled | Range of Detection | Violation | Source |
| *Turbidity (NTU) | N/A | 0.3 | 0.4: 99.86% of samples | 0.1 - 0.4 | No | Soil runoff | |
| Fluoride (ppm) | 4 | 4 | 1.2 | 0.92 - 1.20 | No | Water additive which promotes strong teeth; Erosion of natural deposits; Discharge from fertilizer and aluminum factories | |
|
Atrazine (ppb) Simazine (ppb) |
3 4 |
3 4 |
0.10 0.20 |
N/A N/A |
No No |
Runoff from herbicide used on row crops | |
| Sodium (ppm) | N/A | N/A | 267 | N/A | No | Erosion of natural deposits; Added to water during treatment process | |
|
Copper (ppm) 90% of samples must be below Action level (AL) |
1.3 | AL=1.3 |
0.416 90% of samples were below this level 0 Samples Exceeded AL |
2008 | 0.026 - 0.467 | No | Corrosion of household plumbing systems; Erosion of natural deposits |
|
Lead (ppb) 90% of samples must be below Action level (AL) |
0 | AL=15 |
0.0 90% of samples were below this level 0 Samples Exceed AL |
2008 | 0 - 12 | No | Corrosion of household plumbing systesm; Erosion of natural deposits |
| TTHM (ppb) [Total trihalomethanes] | N/A | 80 | 46 RAA | 34 - 63 | No | By-products of drinking water disinfection | |
| Haloacetic Acids (HAA5) (ppb) | N/A | 60 | 29.00 RAA |
|
19 - 40 | No | By-products of drinking water disinfection |
| Chloramines | MRDLG=4.0 | MRDL=4.0 | 3.32 RAA | Monthly | 2.95 - 3.51 | No | Water additive used to control microbes |
| Total Organic Carbon (TOC) (ppm) | N/A | TT |
30%-Required 47.66%-RAA |
Monthly | 30.00 - 67.27 | No | Naturally present in the environment |
Note: Contaminants with dates indicate results from the most recent testing done in accordance with regulations
Key
| MCL: Maximum Contaminant Level | NTU: Nephelometric Turbidity Unit |
| MRDL: Maximum Residual Disinfectant Level | ppb: part per billion |
| MRDLG: Maximum Residual Disinfectant Level Goal | ppm: part per million |
| NA: not applicable | TT: Treatment Technique |
| NR: Not Regulated |
|
Total Organic Carbon (TOC). Total Organic Carbon (TOC) has no health effects. However, total organic carbon provides a medium for the formation of disinfection by-products. These by-products include trihalomethanes (THMs) and haloacetic acids (HAAs). Drinking water containing these by-products in excess of the MCL may lead to adverse health effects, liver, or kidney problems, or nervous system effects, and may lead to an increase risk of getting cancer.
