Sample records · Loudoun County, VA
Greenlin Park
The conditions Loudoun County attached to this approval, each taken from the government document and cited to the page. These terms apply to this project; they are not general rules for the jurisdiction.
| Decided by | Board of Supervisors |
| Date | Feb. 19, 2025 |
| Vote | 5-4 (motion Umstattd, second Kershner; opposed Briskman, Saines, TeKrony, Turner). Planning Commission forwarded with recommendation of approval 6-2-1 on 2024-07-30. |
| Approval | Rezoning |
| Applicant | JK Land Holdings (record owner Cammack Brothers, LLC) |
| Size | 300 MW (utility load), 83.71 acres |
| Record status | Verified from the official record |
Adopted conditions
| Condition | Value | Source |
|---|---|---|
| Noise | ||
Sound from the data center and its equipment may not exceed 55 dBA at the line of any neighboring lot zoned for single-family homes.Source text"as measured at the lot line of any contiguous lot that permits a single-family dwelling as a principal use, shall be 55 dB(A)." | 55 dBA | Loudoun Board of Supervisors business meeting item Greenlin, Feb. 19, 2025, p. 16 |
A post-construction noise study is due within six months of each certificate of occupancy, with mitigation and retesting if the limit is exceeded.Source text"shall be submitted to the Zoning Administrator within 6 months after the issuance of each certificate of occupancy on the Property" | Loudoun Board of Supervisors business meeting item Greenlin, Feb. 19, 2025, p. 16 | |
A pre-construction noise study is due before the first site plan is approved.Source text"A noise study of existing conditions on the Property shall be submitted to the Zoning Administrator prior to the approval of the first site plan on the Property" | Loudoun Board of Supervisors business meeting item Greenlin, Feb. 19, 2025, p. 16 | |
Noise is measured at the lot line of neighboring single-family-zoned lots, including those across the Greenway.Source text"lots that are located immediately across the Greenway from the Property are considered contiguous lots." | Loudoun Board of Supervisors business meeting item Greenlin, Feb. 19, 2025, p. 16 | |
| Setbacks and buffers | ||
A 20-foot enhanced buffer is required along Sycolin Road, and a 10-foot buffer along the Greenway.Source text"The Owner shall install a 20-foot-wide Enhanced Type 3 Road Corridor Buffer" | 20 ft | Loudoun Board of Supervisors business meeting item Greenlin, Feb. 19, 2025, p. 16 |
A buffer at least 10 feet wide is required along the Dulles Greenway.Source text"The Owner shall install a minimum 10-foot-wide Type A Road Corridor Buffer" | 10 ft | Loudoun Board of Supervisors business meeting item Greenlin, Feb. 19, 2025, p. 31 |
Buildings sit at least 75 feet from Sycolin Road, and the 75 to 100 foot band can be no more than 10 percent built.Source text"no more than 10% of Building Limitation Zone can be occupied by buildings and equipment yards." | 75 ft | Loudoun Board of Supervisors business meeting item Greenlin, Feb. 19, 2025, p. 14 |
| Size and height | ||
Power use is capped at 300 MW during peak grid periods for the first five years.Source text"Power usage on the Property shall be restricted to no more than 300 megawatts" | 300 MW | Loudoun Board of Supervisors business meeting item Greenlin, Feb. 19, 2025, p. 22 |
No building may exceed 55 feet.Source text"The maximum height of any buildings on the Property shall not exceed fifty-five feet" | 55 ft | Loudoun Board of Supervisors business meeting item Greenlin, Feb. 19, 2025, p. 12 |
Total data center and substation floor area is capped at 1,414,440 square feet.Source text"The total building square footage permitted for the Data Center use and Utility Substation, dedicated or distribution use shall be limited to 1,414,440 square feet of gross floor area." | 1,414,440 sq ft | Loudoun Board of Supervisors business meeting item Greenlin, Feb. 19, 2025, p. 12 |
| Water | ||
The site must use public water and sewer, and the owner pays for all extensions.Source text"The Property shall be served by public central water supply and public central sanitary sewer systems." | Loudoun Board of Supervisors business meeting item Greenlin, Feb. 19, 2025, p. 33 | |
| Cooling | ||
Data centers must use low-water cooling: air-cooled or adiabatic chillers and/or closed-loop liquid cooling.Source text"Low Water Usage or Liquid Cooling Systems, defined as use of an air- cooled/adiabatic chiller plant and/or liquid to chip (or liquid to liquid) closed loop cooling system to reduce cooling water usage." | Loudoun Board of Supervisors business meeting item Greenlin, Feb. 19, 2025, p. 22 | |
| Power and generators | ||
The owner must study natural gas generators before the first site plan, but need not use them.Source text"The Owner shall perform an analysis to determine the feasibility of installing natural gas-powered generators on the Property." | Loudoun Board of Supervisors business meeting item Greenlin, Feb. 19, 2025, p. 30 | |
| Payments | ||
The owner pays 387,175 USD toward the Sycolin Road shared use path at the first certificate of occupancy.Source text"The Owner shall provide a one-time payment in the amount of $387,175.00 to the County at the time of the issuance of the first certificate of occupancy for the Property." | $387,175 | Loudoun Board of Supervisors business meeting item Greenlin, Feb. 19, 2025, p. 19 |
The owner pays 0.26 USD per square foot of floor area to volunteer fire and rescue companies at each zoning permit.Source text"in the amount of Twenty-Six Cents ($0.26) per square foot of non-residential floor area" | $0.26 | Loudoun Board of Supervisors business meeting item Greenlin, Feb. 19, 2025, p. 32 |
If a signal is not built by the owner, the owner pays 500,000 USD toward intersection or regional road projects.Source text"the Owner shall contribute $500,000 to the County prior to the issuance of the zoning permit" | $500,000 | Loudoun Board of Supervisors business meeting item Greenlin, Feb. 19, 2025, p. 19 |
| Site conditions | ||
All mechanical equipment must be screened on four sides with materials matching the building, not chain link.Source text"The use of chain link fencing for the purpose of mechanical equipment screening shall be prohibited." | Loudoun Board of Supervisors business meeting item Greenlin, Feb. 19, 2025, p. 15 | |
All generators must be EPA Tier 4, or Tier 2 with selective catalytic reduction, and sit at ground level behind screening.Source text"all generators shall be Tier 4 generators, or Tier 2 generators with selective catalytic reduction systems, or generators with equivalent or lower emission rates." | Loudoun Board of Supervisors business meeting item Greenlin, Feb. 19, 2025, p. 15 | |
The owner must build entrance turn lanes and bring Sycolin Road lanes and shoulders to VDOT standard, dedicate right-of-way, and fund signal warrant studies.Source text"The Owner shall, subject to the approval of the County and VDOT, design and install improvements to Sycolin Road at no public cost." | Loudoun Board of Supervisors business meeting item Greenlin, Feb. 19, 2025, p. 20 | |
Stormwater must use at least five low-impact practices, meet most phosphorus reductions on site, and never discharge straight into Sycolin Creek.Source text"Under no circumstances shall any use on the Property discharge stormwater directly into the Sycolin Creek without passing through an upstream facility" | Loudoun Board of Supervisors business meeting item Greenlin, Feb. 19, 2025, p. 23 | |
Data center buildings must use LED lighting with zoned controls and occupancy sensors.Source text"LED light fixtures including advanced zoned lighting controls with occupancy sensors." | Loudoun Board of Supervisors business meeting item Greenlin, Feb. 19, 2025, p. 22 | |
| Process and reporting | ||
The owner must report grid energy use to the Zoning Administrator each year for five years, and monitor it every quarter hour for three years after reaching full power.Source text"During this five-year period, the Owner shall report its energy withdrawn from the grid to the Zoning Administrator on an annual basis." | Loudoun Board of Supervisors business meeting item Greenlin, Feb. 19, 2025, p. 22 | |
| Other | ||
At least 80 percent of tree canopy in the conservation areas must be kept, protected by an easement.Source text"a minimum of eighty percent of the canopy within the TCAs shown on the CDP will be preserved" | Loudoun Board of Supervisors business meeting item Greenlin, Feb. 19, 2025, p. 24 | |
Each building must have at least two Level 3 EV charging stations.Source text"a minimum of two Level 3 EV charging stations per building." | Loudoun Board of Supervisors business meeting item Greenlin, Feb. 19, 2025, p. 21 | |
Each building gets a solar tree and at least five solar or wind light poles.Source text"The Owner shall install a solar tree and at least five solar/wind light pole(s)" | Loudoun Board of Supervisors business meeting item Greenlin, Feb. 19, 2025, p. 29 | |
Facades facing the roads must be at least 30 percent windows or similar fenestration.Source text"Fenestration must comprise at least 30% of the total surface coverage area of the Principal Building" | 30 % | Loudoun Board of Supervisors business meeting item Greenlin, Feb. 19, 2025, p. 14 |
The owner dedicates a 25-foot public trail easement along Sycolin Creek.Source text"a 25-foot-wide public access easement generally located along the east side of Sycolin Creek" | Loudoun Board of Supervisors business meeting item Greenlin, Feb. 19, 2025, p. 32 | |
What changed between proposal and vote
Every change documented between the proposed version and the adopted version, including terms that were loosened, dropped or left unchanged.
Scroll the table sideways to see every column.
| Term | Proposed | Adopted | Change |
|---|---|---|---|
| Floor area cap | 2,121,661 sq ft | 1,414,440 sq ft | Tightened |
| Building height cap | 60 ft (the most the Industrial Park zoning district allows; no lower limit offered) | 55 ft | Tightened |
| Power cap | No power cap | 300 MW during peak grid periods for the first five years | Added |
| Noise limit | No noise proffer | 55 dBA | Added |
| Generator emissions | Generators at ground level and screened; no emissions tier | Tier 4, or Tier 2 with selective catalytic reduction (SCR) or equivalent | Added |
| Generator fuel | No natural gas analysis | Natural gas generator feasibility analysis before first site plan | Added |
| Road setback | No Building Limitation Zone | No more than 10% of the 75 to 100 ft Sycolin Road band built | Added |
| Infrastructure contribution | $342,000 | $387,175 | Tightened |
| Cooling type | Air-cooled or adiabatic chiller plant | Air-cooled/adiabatic chiller plant and/or closed-loop liquid cooling | Loosened |
| EV charging | Two EV charging stations on the property | Two Level 3 stations per building | Tightened |
| Fire and rescue contribution | $0.26 per sq ft | $0.26 per sq ft | Unchanged |
Documents
Copies of the government documents cited above, hosted here so the links do not break. Large agenda packets are reduced to the cited pages; each page link opens the right page.
- Loudoun Board of Supervisors business meeting item Greenlin, Feb. 19, 2025
- Loudoun Board of Supervisors public hearing staff report Greenlin, Sept. 11, 2024
Instruments in this approval
- Proffer Statement, Greenlin Park, LEGI-2023-0059, ZMAP-2022-0024, revised through February 13, 2025 (Attachment 1 to the Feb. 19, 2025 action item; approved to legal form, signature block blank in packet)
- Board of Supervisors Business Meeting Action Report, February 19, 2025 (item 9)
- Board of Supervisors Public Hearing staff report, September 11, 2024, with Proffer Statement then proposed
What remains and what is missing
Final for rezoning: ZMAP-2022-0024 approved subject to the Proffer Statement dated February 13, 2025. Site plans, CPAPs, zoning permits and the proffered studies (noise, habitat, natural gas generator analysis, archaeology) remain before construction.
No category is marked as missing a document for this record.