| Shaker Heights | EPA # 0432040 | ||||||||
| Microbiological Contaminants | Highest # Positive in a month | MCL | MCLG | Violation Yes/No | Typical Source of Contaminant | ||||
| Total Coliform Bacteria | 4 in November | 1 | 0 | YES | Naturally present in the environment | ||||
| Health Effects: 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. | |||||||||
| Inorganic Contaminants | Date(s) Collected | Highest Detect | Range Detected | MCL or MRDL | MCLG or MRDLG | Violation Yes/No | Typical Source of Contaminant | ||
| Barium (ppm) | 10/30/08 | 0.066 | N/A | 2 | 2 | No | Erosion of natural deposits | ||
| Fluoride (ppm) | 10/30/08 | 1.28 | N/A | 4 | 4 | No | Erosion of natural deposits | ||
| Mercury (ppb) | 10/30/08 | 0.1 | N/A | 2 | 2 | No | Some people who drink water containing inorganic mercury well in excess of the MCL over many years could experience kidney damage. | ||
| Sodium (ppm) | 10/30/08 | 15.0 | N/A | Not Regulated | N/A | Natural sources; runoff from use as salt on roadways; by-product of treatment process | |||
| Radiological Contaminants | |||||||||
| Compliance Gross Alpha (pCi/L) | 1/12/06 4/27/06 9/25/06 | 1.1 | nd - 1.1 | 15 | 0 | No | Erosion of natural deposits | ||
| Radium 226 & 228 (pCi/L) | 1/12/06 4/27/06 9/25/06 | 0.3 | 0.2 - 0.3 | 5 | 0 | No | Erosion of natural deposits | ||
| Uranium (ppb) | 1/12/06 4/27/06 9/25/06 | 0.1 | nd - 0.1 | 30 | 0 | No | Erosion of natural deposits | ||
| Radon (pCi/L) | 4/21/10 | 519 | N/A | Not Regulated | N/A | Erosion of natural deposits | |||
| Volatile Organic Contaminants | |||||||||
| Total Trihalomethanes (ppb) | 11/17/10 | 0.5 | N/A | 80 | 0 | No | By-product of drinking water chlorination | ||
| Date(s) Collected | 90th Percentile | Action Level | MCLG | # of Sites Sampled | # Sites Above Action Level | Violation Yes/No | Typical Source of Contaminant | ||
| Lead (ppb) | 6/4/09 | < 5 | 15 | 0 | 5 | 0 | No | Corrosion of household plumbing system | |
| Copper (ppm) | 6/4/09 | 0.324 | 1.3 | 1.3 | 5 | 0 | No | Corrosion of household plumbing system | |
| What is the source of my drinking water? | |||||||||
| Shaker Heights obtains its water from a bedrock well located 35 feet southeast of the pump house. Bedrock well # 1 is 780 feet deep and yields 10 gallons per minute. The water does not require treatment. | |||||||||
| Source Water Assessment Summary | |||||||||
| Summary of Susceptibility Factors | |||||||||
| Source Name | Date | Low | Med | High | |||||
| Bedrock Well 1 | 10/12/06 | 11 | 1 | 0 | |||||
| The complete Assessment Report is available for review. For more information call Gary Tetley at 800-553-5191 ext. 2378 or visit NH Department of Environmental Services Drinking Water and Groundwater Bureau web site at http://www.des.nh.gov/organization/divisions/water/dwgb/dwspp/reports/index.htm | |||||||||