Water system
Aqua Ohio - Masury
EPA ID OH7802711 · Trumbull County · 4,019 people served
Aqua Ohio - Masury buys its water from Aqua Pennsylvania - Shenango Valley (Sharon, PA).
The system's record
- Water bodies
- Shenango River, Shenango River Lake
- Raw intakes
- Shenango River
- Serves
- 48,000 people · Pennsylvania
- EPA ID
- PA6430054
About this area's water
Did you know
- Masury's tap water is an import: EPA's federal inventory shows the system's only source is a consecutive connection from Aqua Pennsylvania's Shenango Valley plant, so the water is drawn from the Shenango River and…
- Aqua Ohio serves 474,000 people in 20 counties across the state - Masury, with 1,647 service connections for about 4,019 people, is one of the small ends of that investor-owned network.
- Because the plant is in another state, Masury's water quality is shaped by Pennsylvania regulators and Pennsylvania's Shenango River watershed, while the rates customers pay are set by the Public Utilities Commission of…
History2
- 2017Haloacetic acids (HAA5) MCL violation for the compliance period ending 2017-06-30, reported at 0.061 mg/L against the 0.060 mg/L MCL; the system returned to compliance on 2017-08-08. It is the only…
- 2021A violation for an inadequate yearly water quality report (the Consumer Confidence Report), opened 2021-10-27, remains listed without a return-to-compliance date in EPA's federal database.
Source: data.epa.gov
Treatment & pressure
How it is treated
Masury treats no water in Ohio. EPA SDWIS lists the system's primary source as purchased surface water (source code SWP) delivered through a single permanent consecutive connection, 'CC FROM AQUA PA-SHENANGO VALLEY', from Aqua Pennsylvania's Shenango Valley water treatment plant (PWSID PA6430054)…
Source: data.epa.govdata.epa.govdata.epa.gov
Water pressure
Not published. Aqua Ohio publishes no distribution pressure figure for Masury.
What it costs
No Masury-specific rate published. Aqua states that its rates are based on actual cost of service and that 'water and wastewater rates are set and approved by the Public Utilities…
Source: aquawater.com
Water quality & impurities1
| Contaminant | Level | Limit | Year |
|---|---|---|---|
| Haloacetic acids (HAA5) Historical. Quarterly compliance value that triggered the system's only MCL violation; resolved 2017-08-08 and not a… | 0.061 mg/L | 0.060 | 2017 |
Source: data.epa.gov
EPA compliance record
Lead at the tap: 90th-percentile result 0 ppb in 2025 (action level 15 ppb).
EPA health-based violations since 2015:
- 2017Haloacetic acids (HAA5) · above the legal limit on average · measured 0.061 MG/L (limit 0.06 MG/L) · returned to compliance
1 violation of any kind logged since 2020: 1 for a report, record or notice that was missing, late or incomplete (the yearly water quality report, a public notice, lead line records).
Supply stress
Masury has no in-state source at all: every gallon is purchased across the state line through one permanent consecutive connection from a Pennsylvania utility's Shenango River plant, so local supply resilience depends on Aqua Pennsylvania's Shenango Valley system and on that single interconnection. No drought, allocation or…
Source: data.epa.govdata.epa.gov
Sewers
Sanitary
Aqua's Ohio pages do not list wastewater service for Masury (Brookfield Township, Trumbull County); we found no public record of its sewer provider or rate.
Sourcesverified
Compiled from the utility's own reports and public records, then independently re-checked against primary sources.
Main supplier in 1 ZIP code
Serves
Main water supplier in 1 ZIP code
- 44438 · Brookfield Township and Masury63% of residents
Population-weighted resident shares; a ZIP code can have more than one system on record. Recomputed from each ZIP's own system list, not from the map's cached footprint.
Buys from · Sells to
Aqua Ohio - Masury buys its water from Aqua Pennsylvania - Shenango Valley (Sharon, PA).
1 system on record buys water from Aqua Ohio - Masury: Hubbard City.
What the records show about Aqua Ohio - Masury
Who runs it
EPA's record says Aqua Ohio - Masury has 1,647 service connections and serves 4,019 people.
EPA classes it as a community water system, one that serves the same residents all year.
Source: EPA Safe Drinking Water Information System (SDWIS), water system record.
Violations
EPA counts 1 health-based violation for Aqua Ohio - Masury since 2015. Health-based means a contaminant above its legal limit or a required treatment step not carried out. It falls into 1 separate problem (one contaminant or rule in one year); the table lists it.
EPA logs 1 violation of any kind since 2020: 1 for a report, record or notice that was missing, late or incomplete (the yearly water quality report, a public notice, lead line records).
| Year | Contaminant or rule | Kind | Measured | Limit | Status in EPA's record |
|---|---|---|---|---|---|
| 2017 | Haloacetic acids (HAA5) | above the legal limit on average | 0.061 mg/L | 0.06 mg/L | returned to compliance |
Source: EPA Safe Drinking Water Information System (SDWIS) violation records: health-based violations with compliance periods beginning in 2015 or later, all violations from 2020 or later (EPA Envirofacts, pulled September 2026).
Lead and copper at the tap
In the sampling period ending December 2025, the 90th-percentile lead result at Aqua Ohio - Masury was 0 ppb, under both the current 15 ppb action level and the 10 ppb level that applies from 2027. A result of 0 means at least nine in ten of the homes sampled had no lead detected.
The highest result on file is 2 ppb, in the period ending December 2016.
EPA has 6 sampling periods on file for Aqua Ohio - Masury since 2016, the first ending in 2016; no period was above 10 ppb.
Every water system has to inventory its service lines, the pipes from the main to each building. In the inventory Aqua Ohio - Masury sent EPA, 1,645 lines are counted.
| Material | Lines |
|---|---|
| Lead | 3 |
| Galvanized, needing replacement | 87 |
| Unknown material | 792 |
| Not lead | 763 |
| All lines | 1,645 |
Systems sample taps in the homes most likely to have lead pipes or solder. The 90th-percentile result is the level nine in ten of the sampled homes were at or below. Lead comes mostly from service lines and house plumbing, not the source water, so a low result for the system does not clear an old house.
EPA's dashboard status for this inventory: reported all required service line types.
Source: EPA Safe Drinking Water Information System (SDWIS) lead and copper 90th-percentile results (EPA Envirofacts), sampling periods ending 2016 or later; EPA's service line inventory dashboard, Ohio's 2026 Q2 submission.
PFAS
EPA's fifth national round of testing (UCMR 5) took 5 samples of the water entering the pipes of Aqua Ohio - Masury in 2024 and measured 29 PFAS.
PFOA and PFOS were not detected, against a federal limit of 4 ng/L each.
The highest PFAS result was PFBA 5.5 ng/L.
| Compound | Highest result | Federal limit |
|---|---|---|
| PFOA | not detected | 4 ng/L |
| PFOS | not detected | 4 ng/L |
PFAS are the 'forever chemicals' from firefighting foam, plating shops and non-stick coatings. Results are for water leaving the plant, not your tap.
Source: EPA UCMR 5 occurrence data (final release, August 2026); Ohio EPA statewide PFAS sampling, 2019 to 2021, and its sampling status map.
Disinfection byproducts
Chlorine that disinfects water also reacts with organic matter to form byproducts. Two groups have federal limits: total trihalomethanes (TTHM, 80 µg/L) and five haloacetic acids (HAA5, 60 µg/L), judged on running yearly averages at each sampling site.
For TTHM, the average of Aqua Ohio - Masury's samples in 2019, the last year it was sampled, was 47.1 µg/L. The worst yearly average was 59.7 µg/L and the highest single sample was 126.6 µg/L, from 62 samples taken from 2012 to 2019.
For HAA5, the average in the last year sampled was 35.7 µg/L. The worst yearly average was 51.9 µg/L and the highest single sample was 91 µg/L, from 62 samples.
| Byproduct | Limit | Latest yearly average | Worst yearly average | Highest sample | Samples |
|---|---|---|---|---|---|
| TTHM | 80 µg/L | 47.1 µg/L (2019) | 59.7 µg/L | 126.6 µg/L | 62 |
| HAA5 | 60 µg/L | 35.7 µg/L | 51.9 µg/L | 91 µg/L | 62 |
A yearly average of 0 means nothing was detected in that year's samples. EPA's file stops at 2019; Ohio EPA's Drinking Water Watch has newer results.
Source: EPA Six-Year Review 4 compliance monitoring data, 2012 to 2019, distribution-system samples (non-detects counted as zero).
Bacteria in the pipes
From 2012 to 2019, 0 of 650 routine total coliform samples taken in the distribution system at Aqua Ohio - Masury tested positive (0%); in 2019, the last year on file, 0 of 82 did.
A positive coliform test is a warning sign, not a violation by itself. E. coli is a sign that human or animal waste may have reached the water. Coliform counts are routine samples only; E. coli counts include repeat samples.
Source: EPA Six-Year Review 4 compliance monitoring data, 2012 to 2019, distribution-system presence/absence tests for total coliform and E. coli.
Fluoride
The Ohio Department of Health's report to the CDC (My Water's Fluoride) says Aqua Ohio - Masury adjusts the fluoride level to the recommended level for preventing tooth decay.
The recommended level for preventing tooth decay is 0.7 mg/L; the federal limit is 4 mg/L. The treatment list is what each system registered with EPA and can lag a plant upgrade.
Source: CDC My Water's Fluoride (fluoridation status as reported by the Ohio Department of Health, fetched September 2026); EPA Safe Drinking Water Information System (SDWIS) treatment table; EPA Six-Year Review 4 compliance monitoring data, 2012 to 2019, entry-point fluoride samples.
Lithium
Lithium was not detected in 4 UCMR 5 samples at Aqua Ohio - Masury, last sampled in 2024 (the method reports from 9 µg/L).
Lithium is not regulated. EPA's draft health reference level is 10 µg/L, and it occurs naturally in deep groundwater, so well systems in the northwest run highest.
Source: EPA UCMR 5 occurrence data (final release, August 2026), samples from 2023 to 2025.
Algal toxins
Ohio EPA tests for microcystin, a toxin that harmful algal blooms can release, in raw water at the intake and in treated water.
No raw-water samples are on file for Aqua Ohio - Masury; it has no Ohio intake and only its treated (finished) water was tested.
In treated water, microcystin was detected 2 times; the highest result was 0.477 µg/L (February 2018), above the 0.3 µg/L level for children under six.
In all, 413 samples from 2016 to 2026, the latest on August 24, 2026.
| Water | Samples | Detections | Highest result |
|---|---|---|---|
| Treated water | 413 | 2 | 0.477 µg/L |
The ten-day advisory levels for treated water are 0.3 µg/L for children under six and 1.6 µg/L for everyone else. Any detection at the intake triggers more frequent testing until two clean weeks.
Source: Ohio EPA public water system harmful algal bloom monitoring, 2016 to present (HAB data, fetched September 2026).
How well the service area is mapped
The service area drawn on the map for Aqua Ohio - Masury comes from the utility's own map.
Counting the people who live in the ZIP codes it overlaps, this atlas estimates 2,992 residents are inside the boundary, 74% of the 4,019 people Aqua Ohio - Masury reports serving.
The resident count is an estimate from 2020 Census ZIP-code populations, not a count of customers.
Source: EPA Service Area Boundaries; resident estimate by this atlas from ZIP-code overlap.
Photograph
On the map
Show this system's territory on the map — 1 ZIP code in all.
Sources
U.S. EPA SDWIS and Community Water System Service Area Boundaries (v3, 2026), Ohio EPA primacy data, 2020 census blocks: the system serving most residents, traced through purchases to the treating utility; Ohio EPA 2023 Sewer and Water Rate Survey (Ohio State, May 2025) for household bills; Ohio EPA DEFA loan awards since 2016 for the loans paragraph · EPA SDWIS · EPA service area boundaries · Ohio EPA drinking water · Ohio EPA rate survey
EPA's own record for this system: Enforcement and Compliance History report for OH7802711 (EPA ECHO).
Notable facts: data.epa.gov, data.epa.gov, aquawater.com
History: data.epa.gov
Water quality: data.epa.gov
Rates: aquawater.com
Treatment: data.epa.gov, data.epa.gov, data.epa.gov, data.epa.gov
Supply stress: data.epa.gov, data.epa.gov
