Water system
College Corner Water
EPA ID OH6800311 · Preble County · 387 people served · owned by a local government
College Corner Water buys its water from Southwest Regional Water District.
The system's record
- Aquifer
- Great Miami Buried Valley Aquifer
- Active wells
- 7
- Serves
- 42,856 people · Butler County
- EPA ID
- OH0903912
Production wells (two treatment plants, incl. W. Guy Metcalf WTP) pump from the Great Miami Buried Valley/River Valley Aquifer in western Butler County; also a Groundwater Consortium participant.
About this area's water
Did you know
- College Corner sits directly on the Ohio-Indiana state line — the Ohio side (split between Preble and Butler counties) borders West College Corner, Indiana, across the line.
- The village takes its name from sitting in the 'College Township' the Ohio General Assembly set aside as the future home of Miami University.
Source: en.wikipedia.org
History4
- 1811/1837College Corner was settled in 1811 and formally laid out in 1837, named for its position in the 'College Township' the Ohio General Assembly set aside as the future site of Miami University —…
- pre-1994EPA facility records show College Corner's water-purchase connection was originally recorded under a wholesale source called 'SWR Dist South Plant' (PWSID OH0902812), deactivated around July 1994.
- 1994-presentCollege Corner currently purchases finished water from Southwest Regional Water District (PWSID OH0903912), per current EPA SDWIS facility records — this confirms the input's stated wholesaler.
- 2024-2025College Corner Water's own system carried three EPA violations tied to the Lead and Copper Rule family (rule 351/300): one health-based Treatment Technique violation and two non-health reporting…
Treatment & pressure
How it is treated
College Corner Water buys finished water from Southwest Regional Water District (SWRWD), which draws groundwater from the Great Miami Buried Valley Aquifer and treats it at two plants: the W. Guy Metcalf plant (Ross Township, 3.6 MGD capacity, 3 production wells) and the North plant (St. Clair…
Source: cms9files.revize.comdata.epa.gov
Water pressure
Not published anywhere found — no pressure-zone or PSI data exists for College Corner Water or for SWRWD's distribution system to it.
What it costs
$7.05 per 1,000 gallons
This is Southwest Regional Water District's (the wholesale supplier's) own retail rate schedule, effective February 1, 2026, confirmed on swwater.org: $20.00/month base charge…
Source: swwater.org
Water quality & impurities10
| Contaminant | Level | Limit | Year |
|---|---|---|---|
| Nitrate (as Nitrogen) Range across SWRWD's North and W. Guy Metcalf plants; well below the limit, but Ohio EPA's 2003 source water assessment… | 1.26-2.23 ppm | 10 (MCL) | 2025 |
| Total Trihalomethanes (TTHM) Range across the two SWRWD plants (DS201/DS202); no violation. From SWRWD's 2025 CCR. | 11.6-17.3 ppb | 80 (MCL) | 2025 |
| Haloacetic Acids (HAA5) No violation. From SWRWD's 2025 CCR. | ND-4.8 ppb | 60 (MCL) | 2025 |
| Total Chlorine (residual disinfectant) From SWRWD's 2025 CCR. | 0.97-0.98 ppm | 4.0 (MRDL) | 2025 |
| Lead (90th percentile) 0 of 30 samples exceeded the action level. From SWRWD's 2025 CCR. | 1.3 ppb | 15 (Action… | 2025 |
| Copper (90th percentile) 0 of 30 samples exceeded the action level. From SWRWD's 2025 CCR. | 0.566 ppm | 1.3 (Action… | 2025 |
| Fluoride From SWRWD's 2025 CCR. | 1.18-1.21 ppm | 4 (MCL) | 2025 |
| Barium From SWRWD's 2025 CCR. | 0.0166-0.0334 ppm | 2 (MCL) | 2023 |
| Combined Radium Reported for the North plant only. From SWRWD's 2025 CCR. | 1.15 pCi/L | 5 (MCL) | 2023 |
| PFBS (unregulated, UCMR5) Only PFAS substance detected under UCMR5 monitoring; classified as a contaminant of emerging concern. From SWRWD's 2025… | ND-0.00309 ppb | no federal MCL… | 2023 |
Source: cms9files.revize.com
EPA compliance record
Lead at the tap: 90th-percentile result 1.6 ppb in 2025 (action level 15 ppb).
EPA record: no health-based violations since 2015.
EPA compliance record · Southwest Regional Water District (treats the water)
Lead at the tap: 90th-percentile result 1.3 ppb in 2025 (action level 15 ppb).
EPA record: no health-based violations since 2015.
Projects & plans1
Recent and current work
- Corrosion control study / phosphoric acid inhibitor (SWRWD) · 2020 · completed
SWRWD completed a voluntary, Ohio EPA-approved corrosion control study in 2020, adding phosphoric acid as a system-wide corrosion inhibitor; applies to College…
Source: cms9files.revize.com
Supply stress
College Corner depends entirely on purchased water from Southwest Regional Water District, drawn from the Great Miami Buried Valley Aquifer, which Ohio EPA determined in 2003 to be highly susceptible to contamination given the aquifer's productivity and nearby potential contaminant sources (confirmed in SWRWD's 2025 CCR, which cites…
Source: cms9files.revize.comdata.epa.gov
Sewers
Sanitary
No sewer information for College Corner was found on SWRWD's site or elsewhere reachable via search/fetch.
Storm
Not documented anywhere found.
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
- 45003 · College Corner41% 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
College Corner Water buys its water from Southwest Regional Water District.
No other system is on record buying water from College Corner Water.
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
Notable facts: en.wikipedia.org
History: en.wikipedia.org, data.epa.gov, data.epa.gov
Water quality: cms9files.revize.com
Capital projects: cms9files.revize.com
Rates: swwater.org
Treatment: cms9files.revize.com, data.epa.gov
Supply stress: cms9files.revize.com, data.epa.gov