A web map used to visualize available digital parcel data for Organized Towns and Unorganized Territories throughout the state of Maine. Individual towns submit parcel data on a voluntary basis; the data are compiled by the Maine Office of GIS for dissemination by the Maine GeoLibrary, and where available, the web map also includes assessor data contained in the Parcels_ADB related table.This web map is intended for use within the Maine Geoparcel Viewer Application; it is not intended for use as a standalone web map.Within Maine, real property data is maintained by the government organization responsible for assessing and collecting property tax for a given location. Organized towns and townships maintain authoritative data for their communities and may voluntarily submit these data to the Maine GeoLibrary Parcel Project. Maine Parcels Organized Towns and Maine Parcels Organized Towns ADB are the product of these voluntary submissions. Communities provide updates to the Maine GeoLibrary on a non-regular basis, sometimes many years apart, which affects the currency of Maine GeoLibrary parcels data. Another resource for real property transaction data is the County Registry of Deeds, although organized town data should very closely match registry information, except in the case of in-process property conveyance transactions.

“Wet storage” means the temporary storage of shellstock from shellfish growing areas in the approved classification or in the open status of the conditionally approved classification. Shellstock can be stored in containers or floats in natural bodies of water or in tanks containing natural or synthetic seawater.For more information, see Chapter 15 of DMR rule.

dmr/DMR_MCMI_Bathymetry

This is a continually updated dataset. To see the last updated date, please visit the MaineDMR Map PageContains the geographic locations of marine limited purpose aquaculture (LPA) lease sites along the coast of Maine. Details regarding lease specific culture activities and contact information are included. See http://www.maine.gov/dmr/aquaculture/index.html for more information.

Maine's eelgrass meadows form an important marine and estuarine coastal aquatic habitat for the state. Along with other plants, eelgrass forms the base of food production in the sea. Eelgrass provides shelter for juvenile fish, and invertebrates, is a site for primary settlement of the larvae of some bivalve mollusks, and in certain locations helps to stabilize unconsolidated sediments and shorelines. Between 1992 and 2013, various regions of the coast were flown and photographed. Photography was timed near low tides with low wind velocity, good water clarity, and maximum biomass of eelgrass. These factors aid in the detection of the subtidal portion a bed. Polygons delineating stands of eelgrass were screen digitized and coded using a four category scale of percent cover. Verification was carried out by boat, on foot, and by plane. Though dense patches of eelgrass approximately 6 meters in diameter and less can be identified under good conditions and in some cases were mapped, a conservative estimate of the minimum mapping unit is 150 square meters. This represents a stand of approximately 14 meters in diameter.

CSO attributes and location information are from a variety of datasets for each state: Connecticut: Beginning with GIS data compiled by the Connecticut Department of Energy and Environmental Protection (“CT DEEP”) and displayed on their CSO Right-to-Know site (https://portal.ct.gov/DEEP/Municipal-Wastewater/Combined-Sewer-Overflows-Right-to-Know), EPA filtered the data for the purposes of this map and made corrections based upon updated information available in EPA’s files. EPA’s map only displays municipalities with CSO outfalls, whereas CT DEEP’s map includes municipalities with CSO-related bypasses at their Wastewater Treatment Facilities (but no Combined Sewer Collection System CSO outfalls). EPA’s map only displays CSO outfalls – the point at which CSOs are discharged to the receiving water - whereas CT DEEP’s map includes CSO regulators (the structure through which wastewater and stormwater exits the conveyance pipe towards the Wastewater Treatment Facility). Maine: Service containing both facility and outfall locations permitted under the Maine Pollution Elimination System (MEPDES) and administered by the Maine Department of Environmental Protection (MEDEP). The data has been collected using multiple methods over 2 decades under the direction of the Maine DEP GIS Unit. All location data was quality checked by MEDEP MEPDES Inspectors and GIS Unit staff in 2018. Massachusetts: Attribute and location information from a combination of MassDEP CSOs(https://mass-eoeea.maps.arcgis.com/apps/webappviewer/index.html?id=08c0019270254f0095a0806b155abcde) (metadata - https://mass-eoeea.maps.arcgis.com/home/item.html?id=0262b339c2c74213bdaaa15adccc0e96) and NPDES permits(https://www.epa.gov/npdes-permits/massachusetts-final-individual-npdes-permits). New Hampshire: Active CSO outfalls collected from NH NPDES permits(https://www.epa.gov/npdes-permits/new-hampshire-final-individual-npdes-permits). EPA made corrections based upon updated information available in EPA’s files. Rhode Island: RI CSO Outfall Point Features. The outfalls managed by the Narragansett Bay Commission are downloadable from a GIS file through RIGIS (Rhode Island Geographic Information System https://www.rigis.org/datasets/nbc-sewer-overflows/explore?location=41.841121%2C-71.414224%2C13.57&showTable=true). Data was intended for use in utility facility engineering structure inventory. Last updated: 2019. Downloaded: 11/19/2021. Metadata (https://www.arcgis.com/sharing/rest/content/items/2108bab269df47f988e59c18a556f37d/info/metadata/metadata.xml?format=default&output=html) Vermont: Attribute and location information from Vermont Open Geodata Poral (https://geodata.vermont.gov/datasets/VTANR::stormwater-infrastructure-point-features/explore?location=43.912839%2C-72.414150%2C9.29). Point, line, and polygon data was collected and compiled through field observations, municipal member knowledge, ortho-photo interpretation, digitization of georeferenced town plans and record drawings, and state stormwater permit plans. Accuracy of all data is for planning purposes and field verification is at the user’s discretion. VT Layer: Stormwater Infrastructure (Point Features) Metadata (https://www.arcgis.com/sharing/rest/content/items/5c9875ee609c4586bd569dbacb2d92f1/info/metadata/metadata.xml?format=default&output=html).

The Maine Assets and Hazards map links to the Maine Assets & Hazards Experience Builder App, an interactive platform designed to help users identify and assess critical assets and potential hazards across Maine. The Maine Assets and Hazards Experience Builder App is an interactive platform designed to help users identify and assess critical assets and potential hazards across Maine. It provides access to maps, data, and tools for analyzing infrastructure, environmental risks, and community resources. The app is aimed at planners, emergency management professionals, and local governments, enabling them to make informed decisions for hazard mitigation, disaster preparedness, and resilient community planning. The platform facilitates comprehensive risk assessments and promotes proactive planning.The platform is integrated with the Maine Comprehensive Plan Data Portal and Mapping Services StoryMap, offering one-stop access to crucial data and mapping services for comprehensive plan development. Comprehensive plans outline a community’s vision for the future, encompassing infrastructure projects, community initiatives, policies, and regulations. The StoryMap simplifies the process by centralizing all the necessary data, saving communities valuable time and resources. Residents, planners, and consultants can navigate Chapter 208 review criteria with ease, utilizing relevant datasets from various states and federal agencies. Users can explore interactive maps, informative narratives and downloadable datasets on topics like historic preservation, demographics, and environmental features to inform their planning efforts.

To conserve and provide for effective management of unique mussel areas, seed mussel conservation areas will be designated by the Department of Marine Resources. These areas will be selected based upon several considerations, to include either singly or in combination but not limited to: geographic extent, density, population size distribution, extent subject to winter mortality, and condition.Full descriptions of these areas are described in Chapter 12.06 of Maine DMR rule as well as in the attributes of the GIS data.

This data package, LAGOS-NE-GIS v1.0, is 1 of 5 data packages associated with the LAGOS-NE database-- the LAke multi-scaled GeOSpatial and temporal database. Three of the data packages each contain different types of data for 51,101 lakes and reservoirs larger than 4 ha in 17 lake-rich U.S. states to support research on thousands of lakes. These three package are: (1) LAGOS-NE-LOCUS v1.01: lake location and physical characteristics for all lakes. (2) LAGOS-NE-GEO v1.05: ecological context (i.e., the land use, geologic, climatic, and hydrologic setting of lakes) for all lakes. These geospatial data were created by processing national-scale and publicly-accessible datasets to quantify numerous metrics at multiple spatial resolutions. And, (3) LAGOS-NE-LIMNO v1.087.1: in-situ measurements of lake water quality from the past three decades for approximately 2,600-12,000 lakes, depending on the variable. This module was created by harmonizing 87 water quality datasets from federal, state, tribal, and non-profit agencies, university researchers, and citizen scientists. The other two data packages contain supporting data for the LAGOS-NE database: (4) LAGOS-NE-GIS v1.0: the GIS data layers for lakes, wetlands, and streams, as well as the spatial resolutions that were used to create the LAGOS-NE-GEO module. (5) LAGOS-NE-RAWDATA: the original 87 datasets of lake water quality prior to processing, the R code that converts the original data formats into LAGOS-NE data format, and the log file from this procedure to create LAGOS-NE. This latter data package supports the reproducibility of LAGOS-NE-LIMNO. The LAGOS-NE GIS v1.0 module includes GIS datasets for: lake polygons and their hydrologic classification; wetland polygons and their classification; streams as a line coverage and their classification by stream order; the zones used for this study (state and county; hydrologic units [at the 4, 8 and 12 scales]); and, lake watersheds (IWS). We also include boundaries of U.S. states and Canadian provinces for mapping. Citation for the full documentation of this database: Soranno, P.A., E.G. Bissell, K.S. Cheruvelil, S.T. Christel, S.M. Collins, C.E. Fergus, C.T. Filstrup, J.F. Lapierre, N.R. Lottig, S.K. Oliver, C.E. Scott, N.J. Smith, S. Stopyak, S. Yuan, M.T. Bremigan, J.A. Downing, C. Gries, E.N. Henry, N.K. Skaff, E.H. Stanley, C.A. Stow, P.-N. Tan, T. Wagner, K.E. Webster. 2015. Building a multi-scaled geospatial temporal ecology database from disparate data sources: Fostering open science and data reuse. GigaScience 4:28 doi:10.1186/s13742-015-0067-4 Citation for the data paper for this database: Soranno, P.A., L.C. Bacon, M. Beauchene, K.E. Bednar, E.G. Bissell, C.K. Boudreau, M.G. Boyer, M.T. Bremigan, S.R. Carpenter, J.W. Carr, K.S. Cheruvelil, S.T. Christel, M. Claucherty, S.M.Collins, J.D. Conroy, J.A. Downing, J. Dukett, C.E. Fergus, C.T. Filstrup, C. Funk, M.J. Gonzalez, L.T. Green, C. Gries, J.D. Halfman, S.K. Hamilton, P.C. Hanson, E.N. Henry, E.M. Herron, C. Hockings, J.R. Jackson, K. Jacobson-Hedin, L.L. Janus, W.W. Jones, J.R. Jones, C.M. Keson, K.B.S. King, S.A. Kishbaugh, J.F. Lapierre, B. Lathrop, J.A. Latimore, Y. Lee, N.R. Lottig, J.A. Lynch, L.J. Matthews, W.H. McDowell, K.E.B. Moore, B.P. Neff, S.J. Nelson, S.K. Oliver, M.L. Pace, D.C. Pierson, A.C. Poisson, A.I. Pollard, D.M. Post, P.O. Reyes, D.O. Rosenberry, K.M. Roy, L.G. Rudstam, O. Sarnelle, N.J. Schuldt, C.E. Scott, N.K. Skaff, N.J. Smith, N.R. Spinelli, J.J. Stachelek, E.H. Stanley, J.L. Stoddard, S.B. Stopyak, C.A. Stow, J.M. Tallant, P.-N. Tan, A.P. Thorpe, M.J. Vanni, T. Wagner, G. Watkins, K.C. Weathers, K.E. Webster, J.D. White, M.K. Wilmes, S. Yuan. In Review. LAGOS-NE: A multi-scaled geospatial and temporal database of lake ecological context and water quality for thousands of U.S. lakes. In Review at GigaScience. Submitted April 2017.

The Maine Town Resource - Infrastructure Map is an interactive webmap that provides detailed infrastructure views and spatial data for towns across Maine. Users can explore various layers of information related to comprehensive planning. For additional data and customized mapping options, users can access the Maine Resource Explorer and the Maine Comprehensive Plan Data Portal and Mapping Services StoryMap.

This is a layer connecting to Maine DMR data in ArcGIS Online, for use in ArcGIS Desktop clients.

Eelgrass 197 contains polygons representing Maine's eelgrass meadows, which form an important aquatic habitat for the state, suitable for mapping at 1:24,000 scale. These meadows provide shelter for juvenile fish, and invertebrates. In certain locations they also help stabilize unconsolidated sediments and shorelines. As a continuing project, sections of the coast have been flown and photographed using Kodak 2448 film at a scale of 1:12000. This photography has been supplemented in the Penobscot Bay region by 1992 flights using Kodak 2445 film. The Penobscot Bay flights were contracted by the Maine Department of Transportation and interpreted by Dr. Fred Short of University of New Hampshire. Areas in the present study were flown in the July to October period during 1993 to 1997. When possible, photography was at the time of extreme low tides, low wind velocity, good water clarity, and maximum biomass of eelgrass. These factors aid in the detection of the subtidal portion a bed. Transparencies from the 1993-1997 flights were oriented beneath and eelgrass bed locations compiled on stable-base manuscripts containing the coastline and other basemap features from the 1:24000 scale USGS topographic maps. Polygons delineating stands of eelgrass were digitized and coded using a four category scale of percent cover. Verification has been carried out by boat, on foot, and by plane. Though dense patches of eelgrass approximately 6 meters in diameter and less can be identified under good conditions, a conservative estimate of the minimum mapping unit is 150 square meters. This represents a stand of approximately 14 meters in diameter.

This dataset provides locations and related information for MCH Baby and Me Tobacco Free (ISDH Grantees) as of 06/16/2015 based on information provided by the ISDH Maternal and Child Health. Maternal and Child Health (MCH) Baby and Me Tobacco Free ISDH Grantees. Visit http://www.in.gov/isdh/22448.htm for more information about this resource.

The Department of Marine Resources (DMR) Bureau of Public Health collects water samples at approximately 1,400 water quality stations along the Maine coast. At each station, after at least 30 samples have been collected under systematic random sampling and analyzed for fecal coliforms, DMR scientists calculate final scores which, along with sanitary surveys of the area, help determine whether the water quality is acceptable for harvesting shellfish. Fecal coliform results are reported as the number of colony forming units (individual bacterium capable of forming colonies) per 100mL of water. Most sample sites show a range of scores, and some sites may have high as well as low scores. The DMR Shellfish Growing Area Classification Program classifies shellfish areas as Approved, Conditionally Approved, Restricted, Conditionally Restricted or Prohibited using standards set by the National Shellfish Sanitation Program (NSSP), a federal/state cooperative program that sets the requirements for all states involved in interstate shellfish harvest and sale. All classifications are based on two factors: the results of a shoreline survey which looks for the presence of pollution sources and fecal coliform test results. For more information about the classification of shellfish flats, visit https://www.maine.gov/dmr/shellfish-sanitation-management/programs/growingareas/index.html.For each water quality station, two statistical values are calculated from the most recent 30 fecal scores: the geometric mean (geomean) and the 90th percentile (P90). The standards for Approved are 14 or less (geomean) and 31 or less (P90). The standards for Restricted are 88 or less (geomean) and 163 or less (P90). The standards for Prohibited are greater than 88 (geomean) and greater than 163 (P90). End of year 2019 P90 data for all Maine active water quality stations are based on the most recent 30 samples. Conditional Area stations are based on last 30 samples in the open status. Data projection is NAD 1983 UTM Zone 19N.

The Department of Marine Resources (DMR) Bureau of Public Health classifies shellfish growing areas for harvest suitability based on the results of a shoreline survey and fecal coliform monitoring in coastal waters. During a shoreline survey, DMR staff document the presence of wastewater pollution sources along Maine's coast. Based on this information, each growing is classified as either Approved, Conditionally Approved, Restricted, Conditionally Restricted or Prohibited using standards set by the National Shellfish Sanitation Program (NSSP), a federal/state cooperative program that sets the requirements for all states involved in interstate shellfish harvest and sale. For more information about the classification of shellfish flats, visit https://www.maine.gov/dmr/shellfish-sanitation-management/programs/growingareas/index.html.This dataset contains the classification for all shellfish growing areas in Maine through 2016. Data projection is NAD 1983 UTM Zone 19N.

This impervious cover data set covers the 52 towns of the Piscataqua Region Estuaries Partnership (PREP) and identifies human-made surfaces that do not allow water to permeate through them. Naturally occurring impervious cover, such as exposed bedrock, is not included in the impervious class.The data set was derived by interpreting 1-foot resolution orthophotography, acquired in 2015, and delineating and updating impervious cover features.

Head of Tide data has been screen digitized with reference to Bill Hinkley's 1974 River Sampling Station description guide, USGS zero contour data, as well as salinty sampling results from the Maine Department of Environmental Protection and the Maine Department of Marine Resources. Data points may represent known or approximate Head of Tide location based on hydraulic activity, environmental sampling data, and/or zero contour data. Data is considered to be dynamic in a small degree due to land use, natural evolution, and human activities. Data is also subject to changes, updates, and revisons. Field Data Attribute info:HTtypeHS = based on sality and hydrological dataSAL = based on salinty samplingHYD = based on hydraulic information or dataEL = Enforcement Location Head of Tide for DMR & IF&WHTnotesSWQ = Staute Water Quality (can be arbritrary)RSS Hinckley 1974 = excerpt from Hinckley's 1974 River Sampling Station descriptionsZC = based on USGS zero contour data* note that an individual point may have one or more notes associated with itHTLocation:Completed where there is a noteable physical attribute associated with the point locationMisc Informaiton - Enforcement Location DescriptionsDMR and IFW are in agreement as to the location of head of tide on the Kennebec for enforcement purposes.DMR references head of tide as this:Due to the removal of Edwards dam, the “head of tide” in the Kennebec River is now at the downstream side of the power line located approximately 4,200 feet upstream of the Calumet Bridge at Old Fort Western in Augusta (formerly the Father Curran Bridge) for enforcement purposes.IFW references head of tide as this:From the downstream side of the Lockwood Dam to the downstream side of the power lines located about 4,200 feet above the Calumet Bridge in Augusta (head of tidewater):

NOTE: This is a dynamic dataset. Closures can change at anytime. This map data is not to be used for legal determination of open/closed status. For current shellfish closures, consult http://www.maine.gov/dmr/shellfish-sanitation-management/closures/index.htmlThe DMR Shellfish Growing Area Classification Program classifies shellfish areas based on the results of a shoreline survey and fecal coliform testing. During a shoreline survey, DMR staff look for the presence of pollution sources. Once the information is compiled, each growing is classified as either Approved, Conditionally Approved, Restricted, Conditionally Restricted or Prohibited using standards set by the National Shellfish Sanitation Program (NSSP), a federal/state cooperative program that sets the requirements for all states involved in interstate shellfish harvest and sale. For more information about the classification of shellfish flats, visit http://www.maine.gov/dmr/rm/public_health/howclassified.htm. This dataset contains the classification for all growing areas within the state of Maine. The boundary lines for each polygon are directly described in the pollution area notices, which can be viewed at http://www.maine.gov/dmr/shellfish-sanitation-management/closures/pollution.html.Data projection is NAD 1983 UTM Zone 19N.

For 305(b)/303(d) water quality assessments, NHDES uses assessment units to cover the Great Bay Estuary that are coincident with the shellfish growing areas established by the NHDES Shellfish Program. Great Bay itself consists of seven different assessment units. Nitrogen and eutrophication parameters are logically evaluated utilizing data from larger aggregates of assessment units covering contiguous areas. Eutrophication effects are less localized than the bacteria pollution sources that affect shellfish harvesting. Therefore, NHDES aggregated the assessment units in the Great Bay Estuary into 27 assessment zones. The assessment zones were developed in cooperation with the PREP Technical Advisory Committee. For the Salmon Falls/Piscataqua River, the assessment zones cover both the New Hampshire and Maine sides of the main stem of the river. The river is well mixed and data from both sides of the state line are needed to provide a comprehensive dataset for assessments. However, the assessment determinations made by NHDES only apply to the New Hampshire side of the river. The Maine Department of Environmental Protection makes its own assessment determinations for the Maine side of the Salmon Falls/Piscataqua River.

This is a layer connecting to Maine DMR data in ArcGIS Online, for use in ArcGIS Desktop clients.