The EPA public water system record for the Lewiston Water & Sewer Division in Androscoggin County, Maine, indicates one health-based violation related to bacteria in the system's surface water supply, as recorded by EPA's Safe Drinking Water Information System (SDWIS). This record covers the entire municipal water supply serving over 23,700 people across 9,308 connections.
How can I judge if a water treatment filter’s capacity meets my household’s daily bacteria removal needs?
Determining whether a filtration system can handle your household’s daily water consumption involves comparing the system’s rated flow capacity and bacteria removal efficiency with your typical water usage. Average residential use varies but often ranges from 50 to 100 gallons per person per day. The filter should maintain its performance at this flow rate to effectively reduce bacteria presence. You should assess your household’s peak and average usage and select a system that offers consistent treatment at or above that volume to avoid untreated water during high demand.
How does bacteria enter surface water and distribution systems in the Lewiston Androscoggin area?
Bacteria typically enter surface water sources through runoff containing animal waste, sewage system leaks, or natural microbial activity. In Lewiston, which relies on surface water, rainfall and land use practices can influence bacterial presence. Further, bacteria can enter distribution systems through pipe breaks, backflow events, or compromised storage tanks. These pathways mean bacteria levels can vary over time and location even within the municipal system.
What happens if bacteria in water goes untreated in a household over several years?
Untreated bacteria in drinking water may lead to unpredictable taste and odor changes and can contribute to biofilm formation inside plumbing. While the municipal system addresses health-related bacteria concerns, persistent bacteria presence might increase risks of gastrointestinal illnesses or infections, especially for vulnerable individuals. Long-term exposure to untreated bacterial contamination can also degrade water fixtures and appliances, causing maintenance issues.
What do terms like 'detected,' 'median,' and 'range' mean in the EPA sampling records?
'Detected' indicates the presence of a substance measured by a testing instrument but is not in itself an indication of safety or violation. 'Median' reflects the middle value among multiple test results over time, showing a central tendency. 'Range' describes the span of values detected from lowest to highest. In the Lewiston Water & Sewer Division record, these terms help summarize bacteria monitoring data but do not specify individual home water quality.
How does the Autotrol Bacteria & Coliform (Well) Filter address household bacteria issues?
The Autotrol Bacteria & Coliform (Well) Filter is designed to reduce bacteria levels effectively by filtering out microbial contaminants that may be present in household water lines. It uses a multistage filtration process that traps bacteria and coliform organisms, improving water microbiological quality. This system ships ready to configure for integration with home water treatment setups, providing a practical step to enhance water safety when municipal records show bacterial concerns.
What household water symptoms might suggest bacteria presence, and which do not?
Signs like unusual tastes or odors, cloudy water, or staining may hint at bacterial or other microbial issues but are not definitive. Conversely, discoloration alone or mineral buildup does not indicate bacteria. Because bacteria can be microscopic, only laboratory testing of water samples can confirm their presence. If you experience recurrent plumbing biofilm or unexplained water quality changes, testing and treatment considerations are warranted.
This information is based on the EPA Safe Drinking Water Information System record for the Lewiston Water & Sewer Division, encompassing the municipal water supply for Lewiston in Androscoggin County. For full details and updates, consult the EPA’s SDWIS public water system database directly.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2023-12-31. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA SDWIS record for LEWISTON WATER & SEWER DIVISION (ME0090830), surface water supply, serving 23720 people: 1 health-based violations of 1 total; lead 90th percentile 0.0023 mg/L
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