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Reading Mobile County Water System Records: Median and Range for Bacteria Indicators

The public water system serving Theodore—Mobile County Water & Fire Protection Authority—draws groundwater for about 39,573 people through 13,191 connections. Government records show one health-based violation on file among 60 total. Such data suggests occasional bacterial contamination has been detected system-wide but does not reflect a persistent or uniform condition for every home.

This kind of report records broad system performance, not specific bacterial levels at individual taps. From these facts, a homeowner in Theodore can understand bacterial issues have appeared in the system's history but cannot conclude their own water share the same severity or frequency. Confirming local conditions requires targeted testing of their individual supply.

Key Information to Collect Before Requesting Water Treatment Advice

Before exploring solutions, residents should gather these details:

• Recent certified lab test results for bacteria and coliform presence in household water
• Type of water source: private well, municipal groundwater, or surface water
• History of water quality complaints or visible signs like cloudiness or odor
• Any past treatments or filtration equipment already in use

Having this information enables more tailored, effective advice rather than relying solely on area-wide public system records.

What Mobile County’s Record Implies Versus What It Does Not

The recorded health-based violation indicates bacterial contamination was measured at some point but does not specify the level or duration at each connection. It means the system once failed to meet a federal health standard temporarily. However, it does not prove ongoing unsafe bacteria levels for any particular home or tap.

Because Mobile County’s system uses groundwater and multiple treatment steps (codes 141, 401, 445, 740), routine monitoring and treatment reduce bacterial risks. The record is a snapshot on a community scale; it cannot substitute for individual bacterial testing needed to assess risks at a specific residence in Theodore.

Differences Between Public System Records and Private Well Testing

Public water system records reflect combined sampling results across many sites and timeframes, focusing on compliance with health regulations. These data help understand overall system safety trends but cannot pinpoint a single household’s quality.

In contrast, private well testing targets water directly from a homeowner’s source. It measures current bacteria and coliform concentrations on-site, providing definitive information necessary for personalized treatment decisions. Theodore residents on private wells should perform their own bacteriological tests periodically to detect contamination that public system data cannot reveal.

Bacteria Versus Other Common Water Concerns Often Confused by Homeowners

Bacterial presence is distinct from aesthetic or chemical issues like iron staining, hardness, or discoloration. Unlike these, bacterial contamination pertains directly to microbial safety rather than taste or appearance.

It also differs from elevated lead readings found in plumbing components. For Mobile County, the lead 90th percentile was very low, reflecting plumbing distribution rather than bacterial risk.

Clarifying this distinction helps Theodore residents avoid assuming a bacterial problem based solely on unrelated water quality symptoms.

How to Compare Theodore’s Bacterial Concerns with Neighboring Counties Without Overinterpretation

Nearby counties may have different numbers of reported violations or treatment methods due to varying water sources and system sizes. Comparing Mobile County’s single health-based violation with a neighbor’s zero or multiple entries provides context but not a definitive safety ranking.

Because of differences in monitoring frequency and reporting periods, these comparisons should remain broad. Overreading regional data can lead to unnecessary alarm or complacency at the household level.

Each property’s water requires its own bacterial assessment regardless of surrounding area records.

Summary

Mobile County’s water system data show bacterial contamination has been detected and addressed at the community scale but cannot determine a Theodore household’s specific condition. Gathering detailed test results and source information is essential before deciding on treatment.

The Fleck Bacteria & Coliform (Well) Filter ships ready to configure and provides an established filtration technology designed to reduce bacteria and coliform in household water supplies, making it a practical option after confirming local water test results justify treatment.

Where this information comes from

Source: EPA SDWIS public water system record. Sampled 2025-12-31. These figures describe the public water system's record, not the plumbing inside any individual building.

On record: EPA SDWIS record for MOBILE COUNTY WATER & FIRE PRO AUTHORITY (AL0001002), groundwater supply, serving 39573 people: 1 health-based violations of 60 total; lead 90th percentile 0.005 mg/L