Rockbridge S/D: health-based drinking water violation (combined radium (-226 and -228)) in Knightdale, NC
Rockbridge S/D (Knightdale, North Carolina): health-based drinking water violation (combined radium (-226 and -228)) in Knightdale, NC. Its population served of 1,042 is above the median of 142 (83rd percentile). Dated 127 days ago, it serves as a historical benchmark. Score 60/100. As of 2026-11-04, from U.S. EPA Safe Drinking Water Information System (SDWIS) via Envirofacts and EPA ECHO.
Data as of · Compiled by Zalwin from U.S. EPA Safe Drinking Water Information System (SDWIS) via Envirofacts and EPA ECHO
population served: 1,042 · 83th percentile of 456 WaterSystemViolationPulse records · 7.3x the median
Free preview: all 12 published fields of this record are shown below. Locked: 22 related NC WaterSystemViolationPulse records and the 6-column CSV export.
| Field | Value |
|---|---|
| Water system | Rockbridge S/D |
| PWSID | NC4092073 |
| System type | Community water system |
| Owner type | Private |
| Population served | 1042 |
| Location | Knightdale, NC |
| Contaminant | Combined Radium (-226 and -228) |
| Rule group | Chemicals (inorganic, organic, radionuclides) |
| Measured | 7 PCI/L |
| Compliance period | 2026-07-01 to 2026-09-30 |
| Status | Known, unaddressed |
| Public notice tier | 2 |
| population served percentile | 83th of 456 (median 142, 7.3x median) |
| Peer records CSV (23 NC records) | 🔒 Click to unlock → |
| CRM-ready export with official source URLs | 🔒 Click to unlock → |
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CSV columns: Water system · State · Contaminant / rule · Population · Status · Began · official source URL
- Source agency: U.S. EPA Safe Drinking Water Information System (SDWIS) via Envirofacts and EPA ECHO
- Record date: 2026-07-01
- Data refreshed: 2026-11-04
- Refunds on request within 14 days
Top WaterSystemViolationPulse records (NC first): Usmc Lejeune--Hadnot Point · Franklin County Water & Sewer · Carolina Trace Water System · Rutherford College Town Of · Rockbridge S/D · Browse all by state and category →
LIVE PUBLIC DATA Source: U.S. EPA Safe Drinking Water Information System (SDWIS) via Envirofacts and EPA ECHO · Last refreshed: Wed, 04 Nov 2026 06:06:47 GMT
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Peer benchmark and outreach value: Rockbridge S/D and 23 North Carolina peers
- North Carolina WaterSystemViolationPulse records like this one: 23
- Rockbridge S/D's population served: 83rd percentile of 456 records
- Timing: Low: older than 30 days
- Estimated pipeline if you contact every North Carolina peer: $4,600 (peers × rate × deal size; an estimate from your assumptions, not a forecast)
60 / 100 Score
- Not yet returned to compliance.
- Community water system.
What is the WaterSystemViolationPulse record for Rockbridge S/D in Knightdale, North Carolina?
Rockbridge S/D (Knightdale, NC), a community water system serving 1,042 people, has a health-based combined radium (-226 and -228) violation from 2026-07-01; status: known, unaddressed.
How does Rockbridge S/D compare to other North Carolina WaterSystemViolationPulse records?
Its population served of 1,042 sits in the upper half (83th percentile) of 456 records; the median is 142. It is 127 days old; check the official source for later updates before acting.
Rockbridge S/D vs. top 3 peers
| Organization | Location | Amount | Percentile | Record date |
|---|---|---|---|---|
| Rockbridge S/D | Knightdale, NC | 1,042 | 83rd | 2026-07-01 |
| Newdale Grand Valley Wc | CO | 458 | 68th | 2026-07-01 |
| Valley Wc | CO | 270 | 64th | 2026-07-01 |
| Valley Wc | CO | 270 | 64th | 2026-07-01 |
Related records
WaterSystemViolationPulse: Chemicals (inorganic, organic, radionuclides) WaterSystemViolationPulse: Community water system WaterSystemViolationPulse: records in North Carolina
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From EPA SDWIS federal data, which lags state records by up to a quarter. A violation is a regulatory finding about a water system, not a statement about current water quality. Verify with the state drinking water program.