When the 1997 Swine Farm Siting Act takes effect with new setback distances (1,500 feet from residences, 2,500 feet from schools/hospitals/churches, etc.), do farmers whose water quality permits were already approved at lesser setbacks still have to comply with the new setbacks when they start construction?
Plain-English summary
The 1997 Swine Farm Siting Act (S.L. 1997, c. 458) imposed new setback distances for swine houses and lagoons that are components of swine farms. The new setbacks were dramatically more restrictive than the prior regime, reflecting public concern about swine farm odor, water pollution, and neighborhood impacts that had grown intense in NC's coastal plain region by the mid-1990s.
The new setbacks under N.C.G.S. § 106-803:
- At least 1,500 feet from any occupied residence.
- At least 2,500 feet from any school, hospital, church, outdoor recreational facility, national park, state park, historic property, or licensed child care center.
- At least 500 feet from any property boundary.
- At least 500 feet from any well supplying a public water system.
- At least 500 feet from any other well supplying water for human consumption (except certain on-parcel wells).
The waste application area also has a 75-foot setback from property boundaries on which an occupied residence is located and from any perennial stream or river (other than irrigation ditches).
Liquid animal waste management systems may not be constructed in 100-year floodplains.
A swine house or lagoon can be located closer than the standard setbacks if the affected property owner gives written permission, recorded with the Register of Deeds.
The Division of Water Quality asked the AG whether these new setbacks apply to farmers whose water quality permits had already been issued before the Act's effective date.
Senior Deputy AG Daniel C. Oakley and Special Deputy AG Kathryn Jones Cooper answered yes, with a careful caveat.
The effective date language is clear. S.L. 1997, c. 458, s. 4.2 specifies: "The amendments to subsection (a) and (a1) of G.S. 106-803 made by Section 4.1 of this act and G.S. 106-803(a2), added to G.S. 106-803 by Section 4.1 of this act, apply to any new liquid animal waste management system for which construction commences on or after the date this act becomes law and to any expansion of an existing liquid animal waste management system for which construction commences on or after the date this act becomes law."
The text is unambiguous: the trigger is the date construction commences, not the date the permit was issued. Any farmer who has not begun construction must comply with the new setbacks.
Permit validity preserved. The new setbacks do not invalidate the DWQ-issued permits. The permits remain effective. But the farmer must submit an application supplement or supplement to the plans and specifications on file with DWQ that reflect the new locations of system components meeting the new setbacks.
Common-law vested rights theory. The opinion identifies a narrow potential exception: a farmer who has already incurred substantial expenditures in reliance on the DWQ permit, in good faith, before the act's effective date, might be able to assert common-law vested rights. The opinion cites Browning-Ferris Industries v. Guilford County Board of Adjustment (NC App. May 6, 1997), which restates the four-element vested rights test from Town of Hillsborough v. Smith:
- Substantial expenditures or contractual obligations incurred before the change.
- Made in good faith.
- Made in reasonable reliance on a valid building permit, if such permit is required.
- The amended ordinance is detrimental to the party.
The landowner bears the burden on each element.
Practically, however, the opinion notes that someone who has not begun construction is unlikely to be able to prove a common-law vested right. The "substantial expenditure" element is hard to meet when construction has not yet started. And the AG cautions DWQ to be aware that the option is theoretically available.
The opinion's structural point. New setback laws apply to new construction, regardless of pre-existing permits. The vested rights doctrine provides a narrow safe harbor for landowners who have already substantially started construction with valid permit reliance. The combination protects both the state's police-power interest in updating environmental standards and the landowner's due-process interest in not having investments stranded.
Currency note
This opinion was issued in 1997. Subsequent statutory amendments, court decisions, or later AG opinions may have changed the analysis. Treat this page as historical context, not current legal advice. Verify current law before relying on any specific rule, deadline, or remedy mentioned here. The Swine Farm Siting Act has been amended multiple times since 1997. NC's swine farm moratorium (originally enacted in 1997 and made permanent in 2007 with limited exceptions) has substantially altered the regulatory landscape. The vested rights doctrine in NC has continued to develop through cases following Browning-Ferris. Anyone facing a current swine farm siting question should consult current N.C.G.S. § 106-803 and current Department of Environmental Quality (formerly DENR/DEHNR) guidance.
Background and statutory framework
NC's swine industry expanded dramatically in the 1980s and early 1990s, particularly in eastern NC. By the mid-1990s, the state had millions of hogs in concentrated operations, with associated waste lagoons and spray fields that created significant environmental and quality-of-life concerns for neighboring residents. Flooding from Hurricane Floyd in 1999 (after this opinion but reflecting the same era) dramatically illustrated the risk of waste lagoon breaches.
The 1997 Swine Farm Siting Act was a major regulatory response. The dramatically increased setbacks (1,500 feet from residences, up from much shorter distances; 2,500 feet from schools, hospitals, churches) made it considerably more difficult to site new swine operations near populated areas. The Act was part of a broader policy shift toward containing swine operations in less-populated rural counties and away from population centers.
The vested rights doctrine in NC is unusually well-developed for state law. Town of Hillsborough v. Smith (1969) is the leading NC case, requiring substantial expenditures plus permit reliance. Godfrey v. Zoning Board of Adjustment (1986) framed the doctrine in constitutional due-process terms. In re Campsites Unlimited (1975) clarified that no permit is required for vesting if no permit was required under the law in effect at the time of expenditures. Warner v. W & O (1964) clarified that expenditures before a permit was issued are not made "in reliance on the permit."
The Avco case (cited from California) is the leading authority for the proposition that preliminary governmental approval (without a building permit) is not enough to support vested rights. NC has followed this approach.
The opinion's mention of vested rights as theoretically available but practically very hard to establish reflects the doctrine's careful balance. Vested rights provide a constitutional floor for landowners against retroactive regulation, but the floor is narrow. Landowners cannot freeze their property in pre-regulation form by holding a permit without commencing construction.
Common questions
What happens if a farmer submits a supplement showing compliance with the new setbacks but the new location is on a different parcel?
The opinion does not address this scenario. As a matter of permit-administration practice, a substantial change in location would typically require a new permit application, not just a supplement. DWQ's regulations and policies would govern.
What if the affected neighboring property owner gives written permission for closer placement?
§ 106-803(b) allows closer placement with written permission of the affected property owner, recorded with the Register of Deeds. This is an important escape valve for situations where a neighbor consents to a closer operation.
Does the act apply to existing swine farms that don't expand?
The effective-date language ties to "new" construction or "expansion." Existing operations that don't expand are not subject to the new setbacks. This is a grandfather clause protecting established operations.
How does this interact with the 1997 swine farm moratorium?
The 1997 swine farm moratorium prohibited new construction of certain swine operations for an extended period. The setback rules in this opinion would apply to any new construction once the moratorium was lifted (and the moratorium was extended and ultimately made permanent for most operations).
What about the 100-year floodplain restriction?
§ 106-803(a2) prohibits constructing any non-land-application component of a liquid animal waste management system on land within the 100-year floodplain. This restriction directly addressed the lagoon-breach concerns that Hurricane Fran (1996) had highlighted and Hurricane Floyd (1999) would dramatically demonstrate. Most existing operations were not in floodplains, so this affected primarily new construction.
Source
Citations
- N.C.G.S. § 106-803
- S.L. 1997, c. 458, s. 4.2
- Part 1 and Part 1A of Article 21 of N.C.G.S. Chapter 143
- N.C.G.S. § 113-44.9
- N.C.G.S. § 121-9
- N.C.G.S. § 121-4.1
- N.C.G.S. § 110-86
- N.C.G.S. § 130A-313
- Browning-Ferris Industries v. Guilford County Board of Adjustment (N.C. App., May 6, 1997)
- Godfrey v. Zoning Bd. of Adjustment, 317 N.C. 51, 344 S.E.2d 272 (1986)
- Town of Hillsborough v. Smith, 276 N.C. 48, 170 S.E.2d 904 (1969)
- In re Campsites Unlimited, 287 N.C. 493, 215 S.E.2d 73 (1975)
- Mecklenburg County v. Westbery, 32 N.C. App. 630, 233 S.E.2d 658 (1977)
- Warner v. W & O, Inc., 263 N.C. 37, 138 S.E.2d 782 (1964)
- Avco Com. Developers v. South Coast Reg. Comm'n, 553 P.2d 546 (Cal. 1976)
- Russell v. Guilford County, 100 N.C. App. 541, 397 S.E.2d 335 (1990)
Original opinion text
[Setback requirements under § 106-803, as amended by S.L. 1997, c. 458, are quoted in full below.]
- (a) A swine house or a lagoon that is a component of a swine farm shall be located:
- (1) At least 1,500 feet from any occupied residence.
- (2) At least 2,500 feet from any school; hospital; church; outdoor recreational facility; national park; State Park, as defined in G.S. 113-44.9; historic property acquired by the State pursuant to G.S. 121-9 or listed in the North Carolina Register of Historic Places pursuant to G.S. 121-4.1; or child care center, as defined in G.S. 110-86, that is licensed under Article 7 of Chapter 110 of the General Statutes.
- (3) At least 500 feet from any property boundary.
- (4) At least 500 feet from any well supplying water to a public water system, as defined in G.S. 130A-313.
- (5) At least 500 feet from any other well that supplies water for human consumption. This subdivision does not apply to a well located on the same parcel or tract of land on which the swine house or lagoon is located and that supplies water only for use on that parcel or tract of land or for use on adjacent parcels or tracts of land all of which are under common ownership or control.
(a1) The outer perimeter of the land area onto which waste is applied from a lagoon that is a component of a swine farm shall be at least 75 feet from any boundary of property on which an occupied residence is located and from any perennial stream or river, other than an irrigation ditch or canal.
(a2) No component of a liquid animal waste management system for which a permit is required under Part 1 or 1A of Article 21 of Chapter 143 of the General Statutes, other than a land application site, shall be constructed on land that is located within the 100-year floodplain.
(b) A swine house or a lagoon that is a component of a swine farm may be located closer to a residence, school, hospital, church, or a property boundary than is allowed under subsection (a) of this section if written permission is given by the owner of the property and recorded with the Register of Deeds.
S.L. 1997, c. 458, s. 4.2, provides the effective date of these requirements. It reads as follows:
"Section 4.2. The amendments to subsection (a) and (a1) of G.S. 106-803 made by Section 4.1 of this act and G.S. 106-803(a2), added to G.S. 106-803 by Section 4.1 of this act, apply to any new liquid animal waste management system for which construction commences on or after the date this act becomes law and to any expansion of an existing liquid animal waste management system for which construction commences on or after the date this act becomes law."
The effective date language is clear and unambiguous. Any person commencing the new construction or expansion of a covered animal waste management system must build in compliance with the new setbacks. This is true, even if the DWQ-issued permit (or certificate of coverage) was based on an application or site evaluation with lesser setbacks. The validity of the water quality permits would not be affected; the new Swine Farm Siting Act provisions would merely require an application supplement (or a supplement to the plans and specifications on file with DWQ) to reflect the new location of the system components.
This opinion assumes that a person who has not begun construction or expansion did not rely on the DWQ permit to incur substantial expenditures. If that fact situation were to arise, we would need to revisit this issue to determine if some common law vested rights theory might be invoked by the permittee. For your information, the most recent explanation of this theory is found in Browning-Ferris Industries v. Guilford County Board of Adjustment, (filed May 6, 1997), ___ N.C. App. ___, ___ S.E.2d ___ (1997), which includes the following discussion:
The common law vested rights doctrine is "rooted in the 'due process of law' and the 'law of the land' clauses of the federal and state constitutions" and "has evolved as a constitutional limitation on the state's exercise of its police powers." Godfrey v. Zoning Bd. of Adjustment, 317 N.C. 51, 62, 344 S.E.2d 272, 279 (1986). A party's common law right to develop and/or construct vests when: (1) the party has made, prior to the amendment of a zoning ordinance, expenditures or incurred contractual obligations "substantial in amount, incidental to or as part of the acquisition of the building site or the construction or equipment of the proposed building," Town of Hillsborough v. Smith, 276 N.C. at 55, 170 S.E.2d at 909; (2) the obligations and/or expenditures are incurred in good faith, Id.; (3) the obligations and/or expenditures were made in reasonable reliance on and after the issuance of a valid building permit, if such permit is required, authorizing the use requested by the party, Id. (requiring building permit); In re Campsites Unlimited, 287 N.C. 493, 501, 215 S.E.2d 73, 77 (1975) (permit not required for vesting if permit not required under law in effect at time of expenditures); Mecklenburg County v. Westbery, 32 N.C. App. 630, 635, 233 S.E.2d 658, 661 (1977) (a mistakenly-issued permit cannot give rise to a vested right); Warner v. W & O, Inc., 263 N.C. 37, 41, 138 S.E.2d 782, 786 (1964) (expenditures made prior to issuance of permit "not made in reliance on the permit"); see Avco Com. Developers v. South Coast Reg. Comm'n, 553 P.2d 546, 551 (1976) (Preliminary governmental approval not sufficient to support vested right); and (4) the amended ordinance is a detriment to the party. See Russell v. Guilford County, 100 N.C. App. 541, 545, 397 S.E.2d 335, 337 (1990); see also David W. Owens, Legislative Zoning Decisions (Institute of Government, 1993). The burden is on the landowner to prove each of the above four elements. (Slip Op. at p. 3)
It is unlikely a person who has not commenced construction would be able to meet the burden on proving a common law vested right, but in our opinion this option is potentially available and DWQ should be aware of it.
Thank you for bringing this matter to our attention. If you require further information, please feel free to contact this office again.
Daniel C. Oakley
Senior Deputy Attorney General
Kathryn Jones Cooper
Special Deputy Attorney General