A. LAWRENCE LOVEQUIST & another, [Note 1] trustees, vs. CONSERVATION COMMISSION OF DENNIS.

HENNESSEY, C.J. In this case we review the decision of the conservation commission of the town of Dennis under a local wetlands protection by-law denying the plaintiffs' application to construct an access road over an old cranberry bog. This action is brought for relief in the nature of certiorari

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pursuant to G. L. c. 249, Section 4. See Boston Edison Co. v. Boston Redevelopment Auth., 374 Mass. 37 (1977). We affirm.

We begin by summarizing the pertinent facts. The plaintiffs are the owners of a forty-acre tract of land on the north side of the town of Dennis. Part of an area locally known as "Simpkins Neck," [Note 2] the tract consists of approximately ten acres of marshland, 3.93 acres of overgrown cranberry bog, and twenty-six acres of wooded upland. The plaintiffs acquired this land parcel-by-parcel over a period of approximately ten years at a total cost of $38,200.

It is the plaintiffs' desire to subdivide the upland located on the Neck into house lots for single family residences. To this end, the plaintiffs on July 11, 1975, filed with the conservation commission of the town of Dennis (commission) a notice of intent to construct a road over adjoining marshlands in order to facilitate service to this proposed subdivision. At the present time, an old dirt road which crosses this area between the mainland and the Neck serves as the only access to and from the subject parcel. The plaintiffs consider this road inadequate, both in terms of construction and design, to furnish access to the Neck even for a limited use such as a single house.

By filing a notice of intent, the plaintiffs triggered commission proceedings under G. L. c. 131, Section 40, the Commonwealth's Wetlands Protection Act, and under the town's cognate by-law, art. 15. [Note 3] Public hearings were held on

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July 24, 1975, and on various dates later in the year. On December 2, 1975, the commission denied the plaintiffs' application under art. 15 because it believed that the road construction would have a "detrimental impact on the environment of both subject and contiguous lands." [Note 4]

In response to the commission's decision, the plaintiffs initiated this civil action in the Superior Court. After a hearing the judge issued an order remanding the matter to the commission for further hearings, introduction of new evidence, review and reconsideration by the commission, and preparation of a record in a form sufficient for judicial review. The court retained jurisdiction while directing

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that the commission complete hearings and file its decision with the court by August 12, 1977.

On July 29, 1977, further hearings on the plaintiffs' application commenced and, following two days of testimony, the commission again disapproved the proposed road construction. In its written decision, the commission found that the road, if constructed, would create serious groundwater and water pollution problems. The commission determined, in addition, that these effects would be compounded by whatever sewage flow might be generated by the proposed subdivision. On January 5, 1978, the case was returned to the Superior Court for a hearing on the merits, and, on February 3, 1978, judgment was entered dismissing the original complaint and upholding the decision of the commission. The case was transferred to this court on our own motion.

In this appeal the plaintiffs advance four basic arguments: (1) that the Dennis wetlands protection by-law, art. 15, is void under the Home Rule Amendment because it is inconsistent with both The Zoning Enabling Act, c. 40A, and the Commonwealth's Wetlands Protection Act; (2) that the commission was biased in its consideration of the plaintiffs' application for a construction permit; (3) that the commission lacked substantial evidence to justify disapproval of the proposed access road; and (4) that such denial constituted an unconstitutional taking of the plaintiffs' property. Because we find all of these contentions unpersuasive, we conclude that the commission's order is to be affirmed.

1. Home Rule. Under the terms of the Home Rule Amendment, "[a]ny city or town may, by the adoption, amendment, or repeal of local ordinances or by-laws, exercise any power or function which the general court has power to confer upon it, which is not inconsistent with the constitution or laws enacted by the general court in conformity with powers reserved to the general court . . . and which is not denied, either expressly or by clear implication, to the city or town by its charter." Art. 2, Section 6, of the Amendments to the Constitution of the Commonwealth, as

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amended by art. 89 of the Amendments. See Beard v. Salisbury, 378 Mass. 435 (1979); Anderson v. Boston, 376 Mass. 178 (1978); Bloom v. Worcester, 363 Mass. 136 (1973). Relying on this constitutional provision, the plaintiffs assert that the Dennis wetlands protection by-law is unlawful because it conflicts with two separate chapters of the General Laws. We consider each claim on its own.

First, the plaintiffs maintain that, because art. 15 regulates land use, it is by nature a zoning enactment. Since G. L. c. 40A preempts the manner and method in which a municipality may exercise its zoning power, Canton v. Bruno, 361 Mass. 598 (1972), the plaintiffs conclude that art. 15 circumvents the Legislature's mandate inasmuch as the procedures either directed or implied by the by-law are not identical to those of the zoning statute. Observing that this court has approved other towns' wetland by-laws as exercises of the zoning power, e.g., MacGibbon v. Board of Appeals of Duxbury, 369 Mass. 512 (1976); Turnpike Realty Co. v. Dedham, 362 Mass. 221 (1972), cert. denied, 409 U.S. 1108 (1973); Golden v. Selectmen of Falmouth, 358 Mass. 519 (1970), the plaintiffs urge the generalized view that all local wetlands enactments are zoning measures and must comply with the procedural protections of G. L. c. 40A. [Note 5]

We reject this argument. We do not consider all ordinances or by-laws that regulate land use to be zoning laws, and we do not view art. 15 to be a zoning enactment. The thrust of art. 15, we discern, is to give the town conservation commission, a body created under G. L. c. 131, Section 40, the power to permit or to disallow "any removal, dredging, filling,

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or altering of subject lands within the town" in accord with the stated purpose of protecting the local foreshores and wetlands. In its present form, and particularly as applied in this case, art. 15 is comparable to an earth removal enactment, a kind of general by-law expressly permitted by statute. G. L. c. 40, Section 21 (17). [Note 6] Notably adoption of such by-laws or ordinances has been determined valid by this court even in those instances where the town has a zoning by-law. Beard v. Salisbury, 378 Mass. 435, 439 n.7 (1979); Byrne v. Middleborough, 364 Mass. 331, 334 (1973). It is, of course, clear that nonzoning earth removal enactments need not comply with the prescriptions stated in G. L. c. 40A, since the requirements of the zoning laws are applicable only if a town chooses to adopt a zoning by-law. Cf. Canton v. Bruno, 361 Mass. 598, 603 (1972).

Apart from this consideration, however, we should be reluctant to classify the instant by-law as a zoning measure for the reason that art. 15 manifests neither the purpose nor the effects of a zoning regulation. The Dennis by-law does not prohibit or permit any particular listed uses of land or the construction of buildings or the location of businesses or residences in a comprehensive fashion. On its face it does not deny or invite permission to build any structure. It does not regulate density. Instead, it specifies that permission be obtained from the commission based on factual circumstances surrounding individual applications.

Significantly, art. 15's impact on land use follows only from its dominant purpose to protect wetlands values -- e.g., public or private water supply, groundwater, flood control, erosion control, storm damage, water pollution, fisheries, shellfish, wildlife, recreation, and esthetics. These

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wetland values, moreover, do not include air pollution, noise, demands for sewers and other municipal services or the character of the community and the compatibility of nearby land uses, all typical of the concerns usually reflected in the zoning process.

The instant case, moreover, is readily distinguishable from the facts in Rayco Inv. Corp. v. Selectmen of Raynham, 368 Mass. 385 (1975), the case on which the plaintiffs ground their contention that by-laws regulating land use can be enacted only pursuant to The Zoning Enabling Act. In Rayco this court held that a town by-law limiting the total number of trailer park licenses in the town was to be viewed as a zoning regulation due to the historical context in which it had been enacted. We observed in that case that for a considerable number of years the town had been governed by a zoning by-law which "purported to cover [the] subject [of trailer parks] in a comprehensive fashion," and we thus determined that the challenged by-law was most appropriately viewed as an amendment to that enactment. Id. at 393. In the case presently before us, no evidence has been introduced that there is or ever has been a comprehensive zoning by-law governing the wetland activities proposed by the plaintiffs. Rayco, moreover, nowhere suggests that municipal regulations that simply overlap with what may be the province of a local zoning authority are to be treated as zoning enactments which must be promulgated in accordance with the requirements of G. L. c. 40A. Because we think it manifest that art. 15 is not a zoning regulation, the holding of Rayco, is inapposite to this case.

Turning to the plaintiffs' second claim of State-local conflict, we likewise detect no inconsistency between art. 15 and the provisions of the Commonwealth's Wetlands Protection Act, G. L. c. 131, Section 40. We find unconvincing the plaintiffs' assertion that, because G. L. c. 131, Section 40, does not give any express or implied powers to a municipality to adopt wetlands by-laws outside of a zoning framework, general by-laws concerning wetlands protection contravene the wetlands statute. It is our opinion that nothing in G. L.

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c. 131, Section 40, intimates such a result and that Section 6 of the Home Rule Amendment suggests the contrary.

Yet, the plaintiffs allege additionally that art. 15 is inconsistent with the wetlands statute because the by-law gives the conservation commission specific power to prohibit outright any disturbance of covered lands, whereas G. L. c. 131, Section 40, merely allows conservation commissions to "impose such conditions as will contribute to the protection of the interests" described in the statute. This, in our view, does not represent a conflict between State and local law. Since the language of the by-law parallels that of the statute, it appears plain that art. 15 furthers -- rather than derogates from -- the legislative purpose embodied in the Wetlands Protection Act. Bloom v. Worcester, 363 Mass. 136, 156 (1973). Indeed, we have specifically held that G. L. c. 131, Section 40, sets forth minimum standards only, "leaving local communities free to adopt more stringent controls." Golden v. Selectmen of Falmouth, 358 Mass. 519, 526 (1970). While we recognize that Golden was a consideration of a zoning by-law, we can conceive of no reason why the Wetlands Protection Act would be any more frustrated by a by-law enacted pursuant to town powers outside the zoning authority. Moreover, we take notice of the fact that pursuant to regulations promulgated under Section 40, conservation commissions for almost five years have had a prerogative to prohibit construction which might injure wetland areas. Regulations under the Wetlands Protection Act, Regs. 2.27, 6.3, 9 Code Mass. Regs. 337A, 337H and 337N (November 11, 1974).

Finally, the plaintiffs assert that the by-law is inconsistent with the wetlands statute because the local enactment does not parallel Section 40's provisions for administrative and judicial review of commission decisions. Under the statute, but not the by-law, there is an administrative review before the Department of Environmental Quality Engineering as well as judicial review in accordance with G. L. c. 30A. This disparity, we think, does not rise to the level of conflict. We observe that a person aggrieved by a commission

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decision under the by-law is in no way deprived of rights of review. Such person has exactly the same remedy under art. 15 as is available under any other nonzoning by-law -- an action in the nature of certiorari under G. L. c. 249, Section 4. The fact that administrative appeals to the State may not be available under art. 15, does not make the by-law inconsistent with the Wetlands Protection Act.

2. Bias. We next turn to the plaintiffs' argument that they were denied procedural due process because the commission was predisposed against them. In support of this claim, the plaintiffs point to a "mandate" from the town of Dennis calling for the preservation and acquisition of natural wetlands [Note 7] and to the fact that a member of the commission, for purposes of the case, stepped down from the board in order to advocate actively that the construction permit be denied. [Note 8] Neither of these incidents, we believe, rendered the commission proceeding constitutionally infirm.

We observe initially that the plaintiffs have produced no evidence regarding the effect this "mandate" might have had in influencing the commission's determination. There is no indication that any of the commissioners were guided in their determination by the hope of pecuniary or other personal gain. It is significant that the commission, for its part, expressly stated that it did not consider as a basis for its final decision any dedications of open space in the area, any town acquisition program, or the desirability of acquiring this parcel. We see no hint that such was not the case. Moreover, we note that the commission welcomed the submission of alternative proposals by the plaintiffs. In brief, nothing in the record disturbs the assumption that the commissioners

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acted as men of conscience and intellectual discipline, who fairly judged this particular controversy on the basis of its own circumstances. Skelly Oil Co. v. FPC, 375 F.2d 6, 18 (10th Cir. 1967), modified on other grounds sub nom. Permian Basin Area Rate Cases, 390 U.S. 747 (1968). See K.C. Davis, Administrative Law of the Seventies Section 12.01 (1976).

There is even less force to the claim of bias predicated on the fact that a member of the commission, Dr. Norton Nickerson, championed the case against the plaintiffs' application. As the plaintiffs concede, Dr. Nickerson did not participate in either the commission's deliberations or in its ultimate decision. Thus, assuming his opposition to the proposed construction, Dr. Nickerson's abstention from participation should be viewed, if anything, as helpful, rather than prejudicial, to the plaintiffs' cause. Compare Comment, Disqualification of Federal Judges for Bias or Prejudice, 46 U. Chi. L. Rev. 236 (1978). Clearly no constitutional rights were impaired by his action. Rather, the record indicates that the plaintiffs received a full and fair hearing before the commission. Indeed, even where an agency itself combines investigative and judicial functions, this fact alone is seldom basis for relief under the due process clause. Pangburn v. Civil Aeronautics Bd., 311 F.2d 349, 356 (1st Cir. 1962).

3. Substantial Evidence. A more serious question is raised by the plaintiffs' claim that the commission's decision disapproving their application to develop a marshland access road was not based on substantial evidence of anticipated wetland injury resulting from the road construction. Past cases have amply demonstrated the necessity that local planning authorities base their decisions on reasoning relevant to the evidence presented before them. See MacGibbon v. Board of Appeals of Duxbury, 369 Mass. 512, 516 (1976) (MacGibbon III); MacGibbon v. Board of Appeals of Duxbury, 356 Mass. 635 (1970) (MacGibbon II); MacGibbon v. Board of Appeals of Duxbury, 347 Mass. 690 (1964) (MacGibbon I). However, in the matter presently

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before us, we think that the commission's conclusion was fully supported by "substantial evidence" in the record. See Dane v. Registrars of Voters of Concord, 374 Mass. 152, 157 (1978); Hershkoff v. Registrars of Voters of Worcester, 366 Mass. 570, 574 (1974); Bunte v. Mayor of Boston, 361 Mass. 71, 74 (1972); Boston Edison Co. v. Selectmen of Concord, 355 Mass. 79, 92 (1968).

The principal reason the commission offered for its denial of the plaintiffs' application was the deleterious effect that such construction would have in reducing the groundwater supply. It was disclosed during the proceeding that the proposed road would be constructed on fill, with all the natural peat first removed, along a length between 100 and 280 feet and about 80 feet wide. Excavation was to take place below the water table of the marsh and would strip away 6,000 cubic yards of peat to a depth of five feet along the length of the road. [Note 9] The excavated peat would be replaced by 9,000 to 12,000 cubic yards of sand and gravel, substances having an admittedly greater porosity than that of peat. An estimated twenty per cent of the wetland would be removed. [Note 10]

On the basis of these facts, the commission could properly find that the result of replacing the relatively impermeable peat with more permeable materials, through which groundwater could flow, would be a permanent groundwater loss for the town. All parties agreed that the water source on the plaintiffs' property is part of a much larger and important groundwater supply located in underground reservoirs throughout the adjoining area. Thus, the effect of the excavation could be aptly analogized, as one of the witnesses before the commission so stated, to "taking the plug out of a bathtub." Having held that the protection

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of groundwater is a valid public interest, Turnpike Realty Co. v. Dedham, 362 Mass. 221, 227-229 (1972), [Note 11] we think the commission did not act improperly in denying the plaintiffs permission for the proposed road construction. [Note 12]

4. Unconstitutional taking. Lastly, the plaintiffs challenge the commission's action on the due process ground that the denial of a road construction permit deprived them of property without compensation. Prohibited from developing the proposed road, their plans for a subdivision, and their hopes for a sizable profit, are effectively nullified, they claim. This potential loss of income, it is asserted, warrants due process protection. We disagree.

There can be no doubting the proposition that property may be subject to reasonable restraints and regulation in the public interest. Commonwealth v. Alger, 7 Cush. 53, 85-86 (1851). Indeed, governmental decisions may deprive an owner of a beneficial property use -- even the most beneficial such use -- without rendering the regulation an unconstitutional taking. Penn Cent. Transp. Co. v. New York

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City, 438 U.S. 104, 123-128 (1978). Goldblatt v. Hempstead, 369 U.S. 590, 592 (1962). Turnpike Realty Co. v. Dedham, 362 Mass. 221, 234-235 (1972). Burlington v. Dunn, 318 Mass. 216, 222 (1945). Cf. United States v. 564.54 Acres of Land, 441 U.S. 506 (1979); Malone v. Commonwealth, 378 Mass. 74 (1979). What may be characterized as forbidden takings are those governmental actions which strip private property "of all practical value to them or to anyone acquiring it, leaving them only with the burden of paying taxes on it." MacGibbon III, supra at 517, quoting MacGibbon II, supra at 641. See also Pennsylvania Coal Co. v. Mahon, 260 U.S. 393 (1922); Commissioner of Natural Resources v. S. Volpe & Co., 349 Mass. 104 (1965).

Viewed accordingly, it is clear that no taking has occurred. We observe at the outset that the plaintiffs themselves presented little evidence of projected loss. The only support this claim finds in the record is a hearsay statement by one of the plaintiffs that he had been offered $250,000 for the property should construction permits be approved. More significantly, however, the commission found, and the trial judge concurred, that even without an improved access road there were other practical uses available for the property: a single family house, a camp, or commercial cranberry production. [Note 13] Compare MacGibbon III, supra. No evidence was offered suggesting that these were not viable alternatives.

Furthermore, a recent appraisal of the plaintiffs' property revealed its value to be $122,000. Hence, should the plaintiffs immediately dispose of the property they stand to gain over 200% profit, considering that they purchased the parcels for a sum of $38,200. Whatever loss of additional profit may be implicated by the commission's denial of a construction permit is insufficient to constitute an unlawful taking. Turnpike Realty Co. v. Dedham, 362 Mass. 221,

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236 (1972). Steel Hill Dev., Inc. v. Sanbornton, 469 F.2d 956, 963 (1st Cir. 1972).

5. Summary. For the reasons outlined above, the order of the commission was correct. Accordingly, the judgment is affirmed.

So ordered.