Maryland · ZIP 21795 · EPA MD0210021

Is this in Williamsport's water?

Town of Williamsport Distribution System · serves 2,400 people · surface water · 750 connections
8
violations on the federal EPA record
0
health-based — a protective limit exceeded
2,400
people drink this water every day

On paper this system is compliant, but the EPA record shows 8 violations — mostly missed testing or reporting. What isn't measured can't be caught.

Haloacetic Acids (HAA5)

Haloacetic acids are disinfection byproducts formed when chlorine treats water; five are federally capped as a group.

Read the rule → EPA · Disinfection Byproducts Rules
Surface Water Treatment

The Surface Water Treatment Rules require utilities using surface water (or groundwater under its influence) to filter and disinfect against microbes like Giardia, Legionella and viruses.

Read the rule → EPA · Surface Water Treatment Rules
Total Trihalomethanes (TTHM)

Total trihalomethanes are cancer-linked byproducts formed when chlorine disinfects water; federal rules cap them and require regular testing.

Read the rule → EPA · Disinfection Byproducts Rules

The federal record.

RECORDother violationSurface Water Treatment2011

A violation on the federal record outside the standard categories.

Surface Water Treatment: The Surface Water Treatment Rules require utilities using surface water (or groundwater under its influence) to filter and disinfect against microbes like Giardia, Legionella and viruses.

Read the rule → EPA · Surface Water Treatment Rules
Who is responsibleTown of Williamsport Distribution System · attn Rooney, Chad · 301-223-7711 — the utility is required to answer questions about its record. Ask them about it.Their office: Town of Williamsport, Williamsport ↗
RECORDmissed required testing or reportingTotal Trihalomethanes (TTHM)2023

The utility didn't complete required testing or paperwork on time. The water wasn't necessarily bad — but what isn't measured can't be caught.

Total Trihalomethanes (TTHM): Total trihalomethanes are cancer-linked byproducts formed when chlorine disinfects water; federal rules cap them and require regular testing.

Read the rule → EPA · Disinfection Byproducts Rules
Who is responsibleTown of Williamsport Distribution System · attn Rooney, Chad · 301-223-7711 — the utility is required to answer questions about its record. Ask them about it.Their office: Town of Williamsport, Williamsport ↗
RECORDmissed required testing or reportingHaloacetic Acids (HAA5)2023

The utility didn't complete required testing or paperwork on time. The water wasn't necessarily bad — but what isn't measured can't be caught.

Haloacetic Acids (HAA5): Haloacetic acids are disinfection byproducts formed when chlorine treats water; five are federally capped as a group.

Read the rule → EPA · Disinfection Byproducts Rules
Who is responsibleTown of Williamsport Distribution System · attn Rooney, Chad · 301-223-7711 — the utility is required to answer questions about its record. Ask them about it.Their office: Town of Williamsport, Williamsport ↗
RECORDother violationSurface Water Treatment2019

A violation on the federal record outside the standard categories.

Surface Water Treatment: The Surface Water Treatment Rules require utilities using surface water (or groundwater under its influence) to filter and disinfect against microbes like Giardia, Legionella and viruses.

Read the rule → EPA · Surface Water Treatment Rules
Who is responsibleTown of Williamsport Distribution System · attn Rooney, Chad · 301-223-7711 — the utility is required to answer questions about its record. Ask them about it.Their office: Town of Williamsport, Williamsport ↗
RECORDother violationSurface Water Treatment2020

A violation on the federal record outside the standard categories.

Surface Water Treatment: The Surface Water Treatment Rules require utilities using surface water (or groundwater under its influence) to filter and disinfect against microbes like Giardia, Legionella and viruses.

Read the rule → EPA · Surface Water Treatment Rules
Who is responsibleTown of Williamsport Distribution System · attn Rooney, Chad · 301-223-7711 — the utility is required to answer questions about its record. Ask them about it.Their office: Town of Williamsport, Williamsport ↗
RECORDother violationSurface Water Treatment2021

A violation on the federal record outside the standard categories.

Surface Water Treatment: The Surface Water Treatment Rules require utilities using surface water (or groundwater under its influence) to filter and disinfect against microbes like Giardia, Legionella and viruses.

Read the rule → EPA · Surface Water Treatment Rules
Who is responsibleTown of Williamsport Distribution System · attn Rooney, Chad · 301-223-7711 — the utility is required to answer questions about its record. Ask them about it.Their office: Town of Williamsport, Williamsport ↗
RECORDother violationSurface Water Treatment2021

A violation on the federal record outside the standard categories.

Surface Water Treatment: The Surface Water Treatment Rules require utilities using surface water (or groundwater under its influence) to filter and disinfect against microbes like Giardia, Legionella and viruses.

Read the rule → EPA · Surface Water Treatment Rules
Who is responsibleTown of Williamsport Distribution System · attn Rooney, Chad · 301-223-7711 — the utility is required to answer questions about its record. Ask them about it.Their office: Town of Williamsport, Williamsport ↗
RECORDother violationSurface Water Treatment2022

A violation on the federal record outside the standard categories.

Surface Water Treatment: The Surface Water Treatment Rules require utilities using surface water (or groundwater under its influence) to filter and disinfect against microbes like Giardia, Legionella and viruses.

Read the rule → EPA · Surface Water Treatment Rules
Who is responsibleTown of Williamsport Distribution System · attn Rooney, Chad · 301-223-7711 — the utility is required to answer questions about its record. Ask them about it.Their office: Town of Williamsport, Williamsport ↗

Source: U.S. EPA Safe Drinking Water Information System (SDWIS), system MD0210021. “Compliant” means clearing federal limits — many unchanged for ~20 years. Health guidelines from independent scientists are often stricter. Results vary by home, plumbing and date.

Fix it, honestly.

Dissolved metals · nitrate

Reverse osmosis

NSF-58 certified under-sink RO — the only tech that broadly removes dissolved contaminants at the tap.

Chlorine · taste · odor

Catalytic carbon

NSF-42 whole-house carbon cuts chlorine, chloramine and the pool-water taste.

First step

Filter bottle

Certified grab-and-go protection while you decide on the whole-home fix.