What to Note Before Seeking Treatment Advice
Record the water source type
Ottawa's public water system uses surface water as its supply. This is relevant because surface water sources can be more prone to bacterial presence than deep wells.
Note any reported health-based violations
EPA records show the Ottawa system has three health-based violations on record but do not specify if bacteria were involved. This history suggests occasional water quality concerns but is not a definitive indicator of your household’s water.
Understand the treatment processes in place
The Ottawa system utilizes multiple treatment codes (125, 160, 200, 240, 345, 360, 380, 401, 403, 500, 600, 660, 740, 742), which include processes designed to reduce microbial contamination. These processes help reduce bacteria in system water but do not guarantee bacteria absence at your tap.
Reading Ottawa’s System Record: A Homeowner’s Perspective
System-wide violations do not pinpoint household contamination
While some violations have been recorded, these reflect system-level sampling and cannot confirm if your home’s water contains bacteria.
Lead 90th percentile as an unrelated reference point
The lead level reported (0.0023 mg/L) measures plumbing contributions, not source water bacteria. It is unrelated to bacterial presence but indicates system monitoring rigor.
Fixtures and Processes Most Sensitive to Bacteria
Kitchen faucets used for drinking and cooking
These points are critical since bacteria in these fixtures can affect health directly through ingestion.
Bathroom taps and showerheads
While less likely a direct ingestion route, bacterial presence here can affect skin and respiratory exposure.
Ice makers and water dispensers
Appliances that produce consumables can harbor bacteria and amplify exposure if water quality is compromised.
Steps to Exclude Other Issues Before Testing for Bacteria
Check for visible biofilm or slime inside faucet aerators
Presence of visible buildup can be mistaken for bacteria-related problems but might be resolved by cleaning.
Flush water lines by running taps for several minutes
This inexpensive step can reduce transient bacterial presence caused by stagnation.
Order certified laboratory testing for bacteria
This is the definitive method to determine if bacteria are present in your household water.
Bacterial Entry Points in Franklin County’s Water System
Surface water sources’ exposure to environmental contamination
Surface waters used by the Ottawa system are vulnerable to contamination from wildlife, runoff, and soil, all potential bacteria sources.
Potential for bacterial regrowth within distribution pipes
Even treated water can experience bacterial regrowth if residual disinfectant levels drop during distribution.
Final Determining Step: What Test to Order and Its Significance
Request a comprehensive bacteria test including total coliform and E. coli
This test will confirm bacterial presence or absence in your household water supply. A negative result means bacteria are not detectable and that advanced treatment may not be needed.
Considering the Autotrol Bacteria & Coliform (Well) Filter
If your test confirms bacteria presence, the Autotrol System provides treatment technology designed to reduce bacteria and coliform effectively. It ships ready to configure for household use and can be selected based on the confirmed need.
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 OTTAWA, CITY OF (KS2005906), surface water supply, serving 12604 people: 3 health-based violations of 5 total; lead 90th percentile 0.0023 mg/L
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